diff --git a/call_parameters/Cargo.toml b/call_parameters/Cargo.toml
index 2a75d5b..e8a115f 100644
--- a/call_parameters/Cargo.toml
+++ b/call_parameters/Cargo.toml
@@ -10,4 +10,4 @@ name = "call_parameters"
 path = "src/main.rs"
 
 [dependencies]
-fluence = "=0.3.2"
+fluence = "=0.5.0"
diff --git a/greeting/Cargo.toml b/greeting/Cargo.toml
index 98e1f70..5159f29 100644
--- a/greeting/Cargo.toml
+++ b/greeting/Cargo.toml
@@ -2,6 +2,8 @@
 name = "wasm-greeting"
 version = "0.1.0"
 authors = ["Fluence Labs"]
+description = "The greeting module for the Fluence network"
+repository = "https://github.com/fluencelabs/fce/tree/master/examples/greeting"
 edition = "2018"
 publish = false
 
@@ -10,4 +12,4 @@ name = "greeting"
 path = "src/main.rs"
 
 [dependencies]
-fluence = "=0.3.2"
+fluence = "0.5.0"
diff --git a/greeting/src/main.rs b/greeting/src/main.rs
index dcf2718..bfee80e 100644
--- a/greeting/src/main.rs
+++ b/greeting/src/main.rs
@@ -15,6 +15,9 @@
  */
 
 use fluence::fce;
+use fluence::module_manifest;
+
+module_manifest!();
 
 pub fn main() {}
 
diff --git a/ipfs-node/effector/Cargo.toml b/ipfs-node/effector/Cargo.toml
index 9fb038a..0ce45df 100644
--- a/ipfs-node/effector/Cargo.toml
+++ b/ipfs-node/effector/Cargo.toml
@@ -10,5 +10,5 @@ name = "ipfs_effector"
 path = "src/main.rs"
 
 [dependencies]
-fluence = { version = "=0.3.2", features = ["logger"] }
-log = "0.4.11"
+fluence = { version = "=0.5.0", features = ["logger"] }
+log = "0.4.14"
diff --git a/ipfs-node/effector/src/main.rs b/ipfs-node/effector/src/main.rs
index 53e7f38..dcea1e4 100644
--- a/ipfs-node/effector/src/main.rs
+++ b/ipfs-node/effector/src/main.rs
@@ -21,6 +21,7 @@ mod path;
 use crate::path::to_full_path;
 
 use fluence::fce;
+use fluence::module_manifest;
 use fluence::WasmLoggerBuilder;
 use fluence::MountedBinaryResult;
 
@@ -28,9 +29,11 @@ const RESULT_FILE_PATH: &str = "/tmp/ipfs_rpc_file";
 const IPFS_ADDR_ENV_NAME: &str = "IPFS_ADDR";
 const TIMEOUT_ENV_NAME: &str = "timeout";
 
+module_manifest!();
+
 pub fn main() {
     WasmLoggerBuilder::new()
-        .with_log_level(log::Level::Info)
+        .with_log_level(log::LevelFilter::Info)
         .build()
         .unwrap();
 }
diff --git a/ipfs-node/pure/Cargo.toml b/ipfs-node/pure/Cargo.toml
index ecb570c..4712c7c 100644
--- a/ipfs-node/pure/Cargo.toml
+++ b/ipfs-node/pure/Cargo.toml
@@ -10,5 +10,5 @@ name = "ipfs_pure"
 path = "src/main.rs"
 
 [dependencies]
-fluence = { version = "=0.3.2", features = ["logger"] }
-log = "0.4.11"
+fluence = { version = "=0.5.0", features = ["logger"] }
+log = "0.4.14"
diff --git a/ipfs-node/pure/src/main.rs b/ipfs-node/pure/src/main.rs
index 68c4adf..98c0c68 100644
--- a/ipfs-node/pure/src/main.rs
+++ b/ipfs-node/pure/src/main.rs
@@ -17,6 +17,7 @@
 #![allow(improper_ctypes)]
 
 use fluence::fce;
+use fluence::module_manifest;
 use fluence::WasmLoggerBuilder;
 
 use std::fs;
@@ -24,9 +25,11 @@ use std::path::PathBuf;
 
 const RPC_TMP_FILEPATH: &str = "/tmp/ipfs_rpc_file";
 
+module_manifest!();
+
 pub fn main() {
     WasmLoggerBuilder::new()
-        .with_log_level(log::Level::Info)
+        .with_log_level(log::LevelFilter::Info)
         .build()
         .unwrap();
 }
diff --git a/records/effector/Cargo.toml b/records/effector/Cargo.toml
index bad7246..2ee8518 100644
--- a/records/effector/Cargo.toml
+++ b/records/effector/Cargo.toml
@@ -10,5 +10,5 @@ name = "records_effector"
 path = "src/main.rs"
 
 [dependencies]
-fluence = { version = "=0.3.2", features = ["logger"]}
+fluence = { version = "=0.5.0", features = ["logger"]}
 test-record = { path = "../test-record" }
diff --git a/records/effector/src/main.rs b/records/effector/src/main.rs
index 9ff05b3..9973b2c 100644
--- a/records/effector/src/main.rs
+++ b/records/effector/src/main.rs
@@ -15,8 +15,12 @@
  */
 
 use fluence::fce;
+use fluence::module_manifest;
+
 use test_record::TestRecord;
 
+module_manifest!();
+
 pub fn main() {}
 
 #[fce]
diff --git a/records/pure/Cargo.toml b/records/pure/Cargo.toml
index beea8cc..07e3fdc 100644
--- a/records/pure/Cargo.toml
+++ b/records/pure/Cargo.toml
@@ -10,5 +10,5 @@ name = "records_pure"
 path = "src/main.rs"
 
 [dependencies]
-fluence = { version = "=0.3.2", features = ["logger"]}
+fluence = { version = "=0.5.0", features = ["logger"]}
 test-record = { path = "../test-record" }
diff --git a/records/pure/src/main.rs b/records/pure/src/main.rs
index e9c0daa..2e1f3b6 100644
--- a/records/pure/src/main.rs
+++ b/records/pure/src/main.rs
@@ -17,8 +17,12 @@
 #![allow(improper_ctypes)]
 
 use fluence::fce;
+use fluence::module_manifest;
+
 use test_record::TestRecord;
 
+module_manifest!();
+
 pub fn main() {}
 
 #[fce]
diff --git a/records/test-record/Cargo.toml b/records/test-record/Cargo.toml
index c691357..b7979b7 100644
--- a/records/test-record/Cargo.toml
+++ b/records/test-record/Cargo.toml
@@ -10,4 +10,4 @@ name = "test_record"
 path = "src/test_record.rs"
 
 [dependencies]
-fluence = "=0.3.2"
+fluence = "=0.5.0"
diff --git a/sqlite/Cargo.toml b/sqlite/Cargo.toml
index bd37f3d..615db8c 100644
--- a/sqlite/Cargo.toml
+++ b/sqlite/Cargo.toml
@@ -10,5 +10,5 @@ name = "sqlite_test"
 path = "src/main.rs"
 
 [dependencies]
-fluence = "=0.3.2"
-fce-sqlite-connector = "=0.1.3"
+fluence = "0.5.0"
+fce-sqlite-connector = "0.2.0"
diff --git a/sqlite/Config.toml b/sqlite/Config.toml
index 325d629..08eb910 100644
--- a/sqlite/Config.toml
+++ b/sqlite/Config.toml
@@ -5,9 +5,15 @@ modules_dir = "artifacts/"
     mem_pages_count = 100
     logger_enabled = false
 
+    [module.wasi]
+    preopened_files = ["/tmp"]
+    mapped_dirs = { "tmp" = "/tmp" }
+
 [[module]]
-name = "sqlite_test"
+    name = "sqlite_test"
     mem_pages_count = 1
     logger_enabled = false
-    preopened_files = ["/var"]
-    mapped_dirs = { "var" = "./var" }
+
+    [module.wasi]
+    preopened_files = ["/tmp"]
+    mapped_dirs = { "tmp" = "/tmp" }
diff --git a/sqlite/build.sh b/sqlite/build.sh
index 6fb82fd..fc969d1 100755
--- a/sqlite/build.sh
+++ b/sqlite/build.sh
@@ -6,5 +6,5 @@ fce build --release
 
 rm artifacts/*
 cp ../../target/wasm32-wasi/release/sqlite_test.wasm artifacts/
-wget https://github.com/fluencelabs/sqlite/releases/download/v0.9.0_w/sqlite3.wasm
+wget https://github.com/fluencelabs/sqlite/releases/download/v0.10.0_w/sqlite3.wasm
 mv sqlite3.wasm artifacts/
diff --git a/sqlite/src/main.rs b/sqlite/src/main.rs
index 9e5ed56..2e13782 100644
--- a/sqlite/src/main.rs
+++ b/sqlite/src/main.rs
@@ -15,9 +15,13 @@
  */
 
 use fluence::fce;
+use fluence::module_manifest;
+
 use fce_sqlite_connector;
 use fce_sqlite_connector::State;
 
+module_manifest!();
+
 pub fn main() {}
 
 #[fce]
@@ -83,20 +87,21 @@ pub fn test2(age: i64) {
 
 #[fce]
 pub fn test3() {
-    let db_path = "/var/users.sqlite";
-    let connection = fce_sqlite_connector::open(db_path).expect("error on connection establishing");
+    let db_path = "/tmp/users.sqlite";
+    let connection = fce_sqlite_connector::open(db_path).expect("db should be opened");
 
-    let execute_result = connection.execute(
-        "
-            CREATE TABLE users (name TEXT, age INTEGER);
+    connection
+        .execute(
+            "
+            CREATE TABLE IF NOT EXISTS users (name TEXT, age INTEGER);
             INSERT INTO users VALUES ('Alice', 42);
             INSERT INTO users VALUES ('Bob', 69);
         ",
-    );
+        )
+        .expect("table should be created successfully");
 
-    println!("execute result: {:?}", execute_result);
+    let connection = fce_sqlite_connector::open(db_path).expect("db should be opened");
+    let cursor = connection.prepare("SELECT * FROM users").unwrap().cursor();
 
-    //TODO fix it
-    // let file_size = std::fs::metadata(db_path).expect("error on file_size check").len();
-    // println!("{} file size is {}", db_path, file_size);
+    println!("table size is: {:?}", cursor.count());
 }
diff --git a/url-downloader/README.md b/url-downloader/README.md
deleted file mode 100644
index b28a1bd..0000000
--- a/url-downloader/README.md
+++ /dev/null
@@ -1,14 +0,0 @@
-# Download file to disk
-
-Example to show how to work with disk + link several .wasm modules into a service.
-
-# Build & deploy it
-```shell
-./deploy.sh
-```
-
-# Call it
-```shell
-fldist run_air -p download.air -d '{"service": "08eba00d-ff40-4e38-bbe6-ee3646498400"}'
-```
-    
\ No newline at end of file
diff --git a/url-downloader/artifacts/curl_adapter.json b/url-downloader/artifacts/curl_adapter.json
deleted file mode 100644
index 9de081f..0000000
--- a/url-downloader/artifacts/curl_adapter.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "name": "curl_adapter",
-  "mountedBinaries":
-    {
-      "curl": "/usr/bin/curl"
-    }
-}
diff --git a/url-downloader/artifacts/facade.json b/url-downloader/artifacts/facade.json
deleted file mode 100644
index 180ed7e..0000000
--- a/url-downloader/artifacts/facade.json
+++ /dev/null
@@ -1 +0,0 @@
-{"name": "facade"}
diff --git a/url-downloader/artifacts/local_storage.json b/url-downloader/artifacts/local_storage.json
deleted file mode 100644
index c4c3ad2..0000000
--- a/url-downloader/artifacts/local_storage.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "name": "local_storage",
-  "preopenedFiles": [
-    "/tmp"
-  ],
-  "mappedDirs": {
-    "sites": "/tmp"
-  },
-  "mountedBinaries": {
-    "curl": "/usr/bin/curl"
-  }
-}
diff --git a/url-downloader/build.sh b/url-downloader/build.sh
index fba8560..bacc9ad 100755
--- a/url-downloader/build.sh
+++ b/url-downloader/build.sh
@@ -1,24 +1,18 @@
-#!/bin/sh -euo pipefail
+#!/bin/sh
 
 # This script builds all subprojects and puts all created Wasm modules in one dir
-(
-  cd local_storage
-  cargo update
-  fce build --release
-)
-(
-  cd curl_adapter
-  cargo update
-  fce build --release
-)
-(
-  cd facade
-  cargo update
-  fce build --release
-)
+cd local_storage
+cargo update
+fce build --release
+cd ../curl_adapter
+cargo update
+fce build --release
+cd ../facade
+cargo update
+fce build --release
 
-mkdir -p artifacts
-rm -f artifacts/*.wasm
-cp local_storage/target/wasm32-wasi/release/local_storage.wasm artifacts/
-cp curl_adapter/target/wasm32-wasi/release/curl_adapter.wasm artifacts/
-cp facade/target/wasm32-wasi/release/facade.wasm artifacts/
+cd ..
+rm -f artifacts/*
+cp ../../target/wasm32-wasi/release/local_storage.wasm artifacts/
+cp ../../target/wasm32-wasi/release/curl_adapter.wasm artifacts/
+cp ../../target/wasm32-wasi/release/facade.wasm artifacts/
diff --git a/url-downloader/compose.air b/url-downloader/compose.air
deleted file mode 100644
index b568a53..0000000
--- a/url-downloader/compose.air
+++ /dev/null
@@ -1,13 +0,0 @@
-(xor
-    (seq
-        (seq
-           (seq
-               (call relay (curl "download") ["https://fluence.network/img/svg/logo_new.svg"] contents)
-               (call relay (storage "put") ["logo.svg" contents.$.stdout!] ret_code)
-           )
-           (call relay (storage "get") ["logo.svg"] bytes)
-        )
-        (call %init_peer_id% (returnService "run") [ret_code bytes])
-    )
-    (call %init_peer_id% (returnService "run") [%last_error%])
-)
diff --git a/url-downloader/curl_adapter/Cargo.lock b/url-downloader/curl_adapter/Cargo.lock
deleted file mode 100644
index 01f50e5..0000000
--- a/url-downloader/curl_adapter/Cargo.lock
+++ /dev/null
@@ -1,178 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-[[package]]
-name = "cfg-if"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
-
-[[package]]
-name = "curl_adapter"
-version = "0.1.0"
-dependencies = [
- "fluence",
- "log",
-]
-
-[[package]]
-name = "fluence"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84c621ecf5ba628a3a66c4571cb63b9e57de5b8e1ffbb4636873349d04ed9c4c"
-dependencies = [
- "fluence-sdk-macro",
- "fluence-sdk-main",
-]
-
-[[package]]
-name = "fluence-sdk-macro"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3ed152de2a9f59c5494a5ead9d85b40cc1588696d10bb69129addebf0239efb"
-dependencies = [
- "fluence-sdk-wit",
-]
-
-[[package]]
-name = "fluence-sdk-main"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ed74c32aded592c2a4c2d11a4586369e2d9f793e6c7b500a2a22f4a61769784"
-dependencies = [
- "fluence-sdk-macro",
- "log",
- "serde",
-]
-
-[[package]]
-name = "fluence-sdk-wit"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a65bb11a2ebb063b8809e43c1837d32e44c12ba3c281e55f2fcf5c5819a6a9ad"
-dependencies = [
- "proc-macro2",
- "quote",
- "serde",
- "serde_json",
- "syn",
- "uuid",
-]
-
-[[package]]
-name = "getrandom"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi",
-]
-
-[[package]]
-name = "itoa"
-version = "0.4.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
-
-[[package]]
-name = "libc"
-version = "0.2.86"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7282d924be3275cec7f6756ff4121987bc6481325397dde6ba3e7802b1a8b1c"
-
-[[package]]
-name = "log"
-version = "0.4.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
-dependencies = [
- "cfg-if",
-]
-
-[[package]]
-name = "proc-macro2"
-version = "1.0.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
-dependencies = [
- "unicode-xid",
-]
-
-[[package]]
-name = "quote"
-version = "1.0.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
-dependencies = [
- "proc-macro2",
-]
-
-[[package]]
-name = "ryu"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
-
-[[package]]
-name = "serde"
-version = "1.0.118"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06c64263859d87aa2eb554587e2d23183398d617427327cf2b3d0ed8c69e4800"
-dependencies = [
- "serde_derive",
-]
-
-[[package]]
-name = "serde_derive"
-version = "1.0.118"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c84d3526699cd55261af4b941e4e725444df67aa4f9e6a3564f18030d12672df"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "serde_json"
-version = "1.0.63"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43535db9747a4ba938c0ce0a98cc631a46ebf943c9e1d604e091df6007620bf6"
-dependencies = [
- "itoa",
- "ryu",
- "serde",
-]
-
-[[package]]
-name = "syn"
-version = "1.0.60"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c700597eca8a5a762beb35753ef6b94df201c81cca676604f547495a0d7f0081"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-xid",
-]
-
-[[package]]
-name = "unicode-xid"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
-
-[[package]]
-name = "uuid"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
-dependencies = [
- "getrandom",
-]
-
-[[package]]
-name = "wasi"
-version = "0.10.2+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
diff --git a/url-downloader/curl_adapter/Cargo.toml b/url-downloader/curl_adapter/Cargo.toml
index 14f91b9..5080e66 100644
--- a/url-downloader/curl_adapter/Cargo.toml
+++ b/url-downloader/curl_adapter/Cargo.toml
@@ -10,5 +10,5 @@ path = "src/main.rs"
 name = "curl_adapter"
 
 [dependencies]
-fluence = { version = "=0.3.3", features = ["logger"] }
+fluence = { version = "=0.5.0", features = ["logger"] }
 log = "0.4.8"
diff --git a/url-downloader/curl_adapter/src/main.rs b/url-downloader/curl_adapter/src/main.rs
index 5903153..c3e6acc 100644
--- a/url-downloader/curl_adapter/src/main.rs
+++ b/url-downloader/curl_adapter/src/main.rs
@@ -17,10 +17,12 @@
 #![allow(improper_ctypes)]
 
 use fluence::fce;
+use fluence::module_manifest;
 
 use fluence::WasmLoggerBuilder;
-use fluence::MountedBinaryResult as Result;
-use fluence::MountedBinaryStringResult as StringResult;
+use fluence::MountedBinaryResult;
+
+module_manifest!();
 
 /// Log level can be changed by `RUST_LOG` env as well.
 pub fn main() {
@@ -28,21 +30,16 @@ pub fn main() {
 }
 
 #[fce]
-pub fn request(url: String) -> StringResult {
-    unsafe { curl(vec![url]) }.stringify().unwrap()
+pub fn download(url: String) -> String {
+    log::info!("get called with url {}", url);
+
+    let result = unsafe { curl(vec![url]) };
+    String::from_utf8(result.stdout).unwrap()
 }
 
-#[fce]
-pub fn download(url: String) -> Result {
-    log::info!("download called with url {}", url);
-
-    unsafe { curl(vec![url]) }
-}
-
-
 /// Permissions in `Config.toml` should exist to use host functions.
 #[fce]
 #[link(wasm_import_module = "host")]
 extern "C" {
-    fn curl(cmd: Vec<String>) -> Result;
+    fn curl(cmd: Vec<String>) -> MountedBinaryResult;
 }
diff --git a/url-downloader/deploy.sh b/url-downloader/deploy.sh
deleted file mode 100755
index 9b42425..0000000
--- a/url-downloader/deploy.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/sh -euo pipefail
-
-# build wasms
-./build.sh
-
-(
-  cd artifacts
-  fldist new_service --name "url_downloader" --modules \
-    curl_adapter.wasm:curl_adapter.json \
-    local_storage.wasm:local_storage.json \
-    facade.wasm:facade.json
-)
diff --git a/url-downloader/deploy_separate.sh b/url-downloader/deploy_separate.sh
deleted file mode 100755
index 9753639..0000000
--- a/url-downloader/deploy_separate.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/bin/sh -euo pipefail
-
-./build.sh
-
-echo "Deploying storage"
-(
-  cd artifacts
-  fldist new_service --name "local_storage" --modules local_storage.wasm:local_storage.json
-)
-
-echo "\n\nDeploying curl"
-(
-  cd artifacts
-  fldist new_service --name "curl_adapter" --modules curl_adapter.wasm:curl_adapter.json
-)
diff --git a/url-downloader/download.air b/url-downloader/download.air
deleted file mode 100644
index d8a1334..0000000
--- a/url-downloader/download.air
+++ /dev/null
@@ -1,10 +0,0 @@
-(xor
-    (seq
-        (seq
-           (call relay (service "get_n_save") ["https://fluence.network/img/svg/logo_new.svg" "logo.svg"] ret_code)
-           (call relay (service "load_file") ["logo.svg"] bytes)
-        )
-        (call %init_peer_id% (returnService "run") [ret_code bytes])
-    )
-    (call %init_peer_id% (returnService "run") [%last_error%])
-)
diff --git a/url-downloader/facade/Cargo.lock b/url-downloader/facade/Cargo.lock
deleted file mode 100644
index e1ed34b..0000000
--- a/url-downloader/facade/Cargo.lock
+++ /dev/null
@@ -1,185 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-[[package]]
-name = "base64"
-version = "0.13.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
-
-[[package]]
-name = "cfg-if"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
-
-[[package]]
-name = "facade"
-version = "0.1.0"
-dependencies = [
- "base64",
- "fluence",
- "log",
-]
-
-[[package]]
-name = "fluence"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84c621ecf5ba628a3a66c4571cb63b9e57de5b8e1ffbb4636873349d04ed9c4c"
-dependencies = [
- "fluence-sdk-macro",
- "fluence-sdk-main",
-]
-
-[[package]]
-name = "fluence-sdk-macro"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3ed152de2a9f59c5494a5ead9d85b40cc1588696d10bb69129addebf0239efb"
-dependencies = [
- "fluence-sdk-wit",
-]
-
-[[package]]
-name = "fluence-sdk-main"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ed74c32aded592c2a4c2d11a4586369e2d9f793e6c7b500a2a22f4a61769784"
-dependencies = [
- "fluence-sdk-macro",
- "log",
- "serde",
-]
-
-[[package]]
-name = "fluence-sdk-wit"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a65bb11a2ebb063b8809e43c1837d32e44c12ba3c281e55f2fcf5c5819a6a9ad"
-dependencies = [
- "proc-macro2",
- "quote",
- "serde",
- "serde_json",
- "syn",
- "uuid",
-]
-
-[[package]]
-name = "getrandom"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi",
-]
-
-[[package]]
-name = "itoa"
-version = "0.4.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
-
-[[package]]
-name = "libc"
-version = "0.2.86"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7282d924be3275cec7f6756ff4121987bc6481325397dde6ba3e7802b1a8b1c"
-
-[[package]]
-name = "log"
-version = "0.4.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
-dependencies = [
- "cfg-if",
-]
-
-[[package]]
-name = "proc-macro2"
-version = "1.0.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
-dependencies = [
- "unicode-xid",
-]
-
-[[package]]
-name = "quote"
-version = "1.0.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
-dependencies = [
- "proc-macro2",
-]
-
-[[package]]
-name = "ryu"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
-
-[[package]]
-name = "serde"
-version = "1.0.118"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06c64263859d87aa2eb554587e2d23183398d617427327cf2b3d0ed8c69e4800"
-dependencies = [
- "serde_derive",
-]
-
-[[package]]
-name = "serde_derive"
-version = "1.0.118"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c84d3526699cd55261af4b941e4e725444df67aa4f9e6a3564f18030d12672df"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "serde_json"
-version = "1.0.63"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43535db9747a4ba938c0ce0a98cc631a46ebf943c9e1d604e091df6007620bf6"
-dependencies = [
- "itoa",
- "ryu",
- "serde",
-]
-
-[[package]]
-name = "syn"
-version = "1.0.60"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c700597eca8a5a762beb35753ef6b94df201c81cca676604f547495a0d7f0081"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-xid",
-]
-
-[[package]]
-name = "unicode-xid"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
-
-[[package]]
-name = "uuid"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
-dependencies = [
- "getrandom",
-]
-
-[[package]]
-name = "wasi"
-version = "0.10.2+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
diff --git a/url-downloader/facade/Cargo.toml b/url-downloader/facade/Cargo.toml
index 3f10a66..d40090f 100644
--- a/url-downloader/facade/Cargo.toml
+++ b/url-downloader/facade/Cargo.toml
@@ -10,6 +10,6 @@ name = "facade"
 path = "src/main.rs"
 
 [dependencies]
-fluence = { version = "=0.3.3", features = ["logger"]}
+fluence = { version = "=0.5.0", features = ["logger"]}
+anyhow = "1.0.31"
 log = "0.4.8"
-base64 = "0.13.0"
diff --git a/url-downloader/facade/src/main.rs b/url-downloader/facade/src/main.rs
index cc76c5d..8ff919b 100644
--- a/url-downloader/facade/src/main.rs
+++ b/url-downloader/facade/src/main.rs
@@ -16,9 +16,11 @@
 #![allow(improper_ctypes)]
 
 use fluence::fce;
-use fluence::MountedBinaryResult as Result;
+use fluence::module_manifest;
 use fluence::WasmLoggerBuilder;
 
+module_manifest!();
+
 pub fn main() {
     WasmLoggerBuilder::new().build().unwrap();
 }
@@ -28,30 +30,19 @@ pub fn main() {
 #[fce]
 pub fn get_n_save(url: String, file_name: String) -> String {
     let result = unsafe { download(url) };
-    if result.is_success() {
-        log::info!("saving file {}", file_name);
-        unsafe { file_put(file_name, result.stdout) }
-    } else {
-        log::error!("download failed: {:#?}", result.as_std());
-        format!("download failed: {:#?}", result.as_std())
-    }
+    unsafe { file_put(file_name, result.into_bytes()) };
+
+    String::from("Ok")
 }
 
-#[fce]
-/// Loads file from disk and returns its content as base64
-pub fn load_file(file_name: String) -> String {
-    let bytes = unsafe { file_get(file_name) };
-    base64::encode(bytes)
-}
-
-/// Import `curl_adapter` module
+/// Importing `curl` module
 #[fce]
 #[link(wasm_import_module = "curl_adapter")]
 extern "C" {
-    pub fn download(url: String) -> Result;
+    pub fn download(url: String) -> String;
 }
 
-/// Import `local_storage` module
+/// Importing `local_storage` module
 #[fce]
 #[link(wasm_import_module = "local_storage")]
 extern "C" {
diff --git a/url-downloader/local_storage/Cargo.lock b/url-downloader/local_storage/Cargo.lock
deleted file mode 100644
index 4388517..0000000
--- a/url-downloader/local_storage/Cargo.lock
+++ /dev/null
@@ -1,178 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-[[package]]
-name = "cfg-if"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
-
-[[package]]
-name = "fluence"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84c621ecf5ba628a3a66c4571cb63b9e57de5b8e1ffbb4636873349d04ed9c4c"
-dependencies = [
- "fluence-sdk-macro",
- "fluence-sdk-main",
-]
-
-[[package]]
-name = "fluence-sdk-macro"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3ed152de2a9f59c5494a5ead9d85b40cc1588696d10bb69129addebf0239efb"
-dependencies = [
- "fluence-sdk-wit",
-]
-
-[[package]]
-name = "fluence-sdk-main"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ed74c32aded592c2a4c2d11a4586369e2d9f793e6c7b500a2a22f4a61769784"
-dependencies = [
- "fluence-sdk-macro",
- "log",
- "serde",
-]
-
-[[package]]
-name = "fluence-sdk-wit"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a65bb11a2ebb063b8809e43c1837d32e44c12ba3c281e55f2fcf5c5819a6a9ad"
-dependencies = [
- "proc-macro2",
- "quote",
- "serde",
- "serde_json",
- "syn",
- "uuid",
-]
-
-[[package]]
-name = "getrandom"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9495705279e7140bf035dde1f6e750c162df8b625267cd52cc44e0b156732c8"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi",
-]
-
-[[package]]
-name = "itoa"
-version = "0.4.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
-
-[[package]]
-name = "libc"
-version = "0.2.86"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7282d924be3275cec7f6756ff4121987bc6481325397dde6ba3e7802b1a8b1c"
-
-[[package]]
-name = "local_storage"
-version = "0.1.0"
-dependencies = [
- "fluence",
- "log",
-]
-
-[[package]]
-name = "log"
-version = "0.4.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
-dependencies = [
- "cfg-if",
-]
-
-[[package]]
-name = "proc-macro2"
-version = "1.0.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
-dependencies = [
- "unicode-xid",
-]
-
-[[package]]
-name = "quote"
-version = "1.0.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
-dependencies = [
- "proc-macro2",
-]
-
-[[package]]
-name = "ryu"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
-
-[[package]]
-name = "serde"
-version = "1.0.118"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06c64263859d87aa2eb554587e2d23183398d617427327cf2b3d0ed8c69e4800"
-dependencies = [
- "serde_derive",
-]
-
-[[package]]
-name = "serde_derive"
-version = "1.0.118"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c84d3526699cd55261af4b941e4e725444df67aa4f9e6a3564f18030d12672df"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "serde_json"
-version = "1.0.63"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43535db9747a4ba938c0ce0a98cc631a46ebf943c9e1d604e091df6007620bf6"
-dependencies = [
- "itoa",
- "ryu",
- "serde",
-]
-
-[[package]]
-name = "syn"
-version = "1.0.60"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c700597eca8a5a762beb35753ef6b94df201c81cca676604f547495a0d7f0081"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-xid",
-]
-
-[[package]]
-name = "unicode-xid"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
-
-[[package]]
-name = "uuid"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
-dependencies = [
- "getrandom",
-]
-
-[[package]]
-name = "wasi"
-version = "0.10.2+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
diff --git a/url-downloader/local_storage/Cargo.toml b/url-downloader/local_storage/Cargo.toml
index 0a0a5ea..c89e8b4 100644
--- a/url-downloader/local_storage/Cargo.toml
+++ b/url-downloader/local_storage/Cargo.toml
@@ -10,5 +10,5 @@ name = "local_storage"
 path = "src/main.rs"
 
 [dependencies]
-fluence = { version = "=0.3.3", features = ["logger"]}
+fluence = { version = "=0.5.0", features = ["logger"]}
 log = "0.4.8"
diff --git a/url-downloader/local_storage/src/main.rs b/url-downloader/local_storage/src/main.rs
index 0f50966..8f6dabb 100644
--- a/url-downloader/local_storage/src/main.rs
+++ b/url-downloader/local_storage/src/main.rs
@@ -14,10 +14,14 @@
  * limitations under the License.
  */
 
-use std::fs;
 use fluence::fce;
+use fluence::module_manifest;
 use fluence::WasmLoggerBuilder;
-use std::path::Path;
+
+use std::fs;
+use std::path::PathBuf;
+
+module_manifest!();
 
 const SITES_DIR: &str = "/sites/";
 
@@ -28,14 +32,14 @@ pub fn main() {
 
 /// You can read or write files from the file system if there is permission to use directories described in `Config.toml`.
 #[fce]
-pub fn put(file_name: String, file_content: Vec<u8>) -> String {
-    log::info!("put called with file name {}", file_name);
+pub fn put(name: String, file_content: Vec<u8>) -> String {
+    log::info!("put called with file name {}", name);
 
-    let path = Path::new(SITES_DIR).join(file_name);
+    let rpc_tmp_filepath = format!("{}{}", SITES_DIR, name);
 
-    let result = fs::write(&path, file_content);
+    let result = fs::write(PathBuf::from(rpc_tmp_filepath.clone()), file_content);
     if let Err(e) = result {
-        return format!("file {} can't be written: {}", path.to_string_lossy(), e);
+        return format!("file can't be written: {}", e);
     }
 
     String::from("Ok")
@@ -45,7 +49,7 @@ pub fn put(file_name: String, file_content: Vec<u8>) -> String {
 pub fn get(file_name: String) -> Vec<u8> {
     log::info!("get called with file name: {}", file_name);
 
-    let path = Path::new(SITES_DIR).join(file_name);
+    let tmp_filepath = format!("{}{}", SITES_DIR, file_name);
 
-    fs::read(&path).unwrap_or_else(|err| format!("error while reading file {}: {}", path.to_string_lossy(), err).into_bytes())
+    fs::read(tmp_filepath).unwrap_or_else(|_| b"error while reading file".to_vec())
 }
diff --git a/url-downloader/repl_config.toml b/url-downloader/repl_config.toml
deleted file mode 100644
index 6701450..0000000
--- a/url-downloader/repl_config.toml
+++ /dev/null
@@ -1,21 +0,0 @@
-modules_dir = "artifacts/"
-
-[[module]]
-name = "local_storage"
-logger_enabled = true
-
-[module.wasi]
-preopened_files = ["."]
-# this is where files will be stored
-mapped_dirs = { "sites" = "." }
-
-[[module]]
-name = "curl_adapter"
-logger_enabled = true
-
-[module.mounted_binaries]
-curl = "/usr/bin/curl"
-
-[[module]]
-name = "facade"
-logger_enabled = true