diff --git a/.github/check_connection.aqua b/.github/check_connection.aqua
deleted file mode 100644
index 9170fbe..0000000
--- a/.github/check_connection.aqua
+++ /dev/null
@@ -1,7 +0,0 @@
-service Op("op"):
-  noop()
-
-func check_connection() -> string:
-  on HOST_PEER_ID:
-    Op.noop()
-  <- "ok"
\ No newline at end of file
diff --git a/.github/deploy.aqua b/.github/deploy.aqua
deleted file mode 100644
index ed50228..0000000
--- a/.github/deploy.aqua
+++ /dev/null
@@ -1,8 +0,0 @@
-service CallParameters:
-  call_parameters() -> string
-
-func call(service_id: string) -> string:
-  on HOST_PEER_ID:
-    CallParameters service_id
-    r <- CallParameters.call_parameters()
-    <- r
\ No newline at end of file
diff --git a/.github/download_marine.sh b/.github/download_marine.sh
deleted file mode 100755
index 5f70dc6..0000000
--- a/.github/download_marine.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/bash
-set -o pipefail -o errexit -o nounset
-set -x
-
-MARINE_RELEASE="https://github.com/fluencelabs/marine/releases/download/marine-v0.12.6/marine"
-curl -sS -L $MARINE_RELEASE -o /usr/local/bin/marine && chmod +x /usr/local/bin/marine
diff --git a/.github/workflows/check-connection.yml b/.github/workflows/check-connection.yml
deleted file mode 100644
index 9d80501..0000000
--- a/.github/workflows/check-connection.yml
+++ /dev/null
@@ -1,84 +0,0 @@
-name: "check-connection"
-
-on:
-  push:
-    # branches:
-    #   - "master"
-
-jobs:
-  check-deployment:
-    runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-          node: [
-            '/dns4/kras-00.fluence.dev/tcp/19990/wss/p2p/12D3KooWSD5PToNiLQwKDXsu8JSysCwUt8BVUJEqCHcDe7P5h45e',
-            '/dns4/kras-00.fluence.dev/tcp/19001/wss/p2p/12D3KooWR4cv1a8tv7pps4HH6wePNaK6gf1Hww5wcCMzeWxyNw51',
-            '/dns4/kras-01.fluence.dev/tcp/19001/wss/p2p/12D3KooWKnEqMfYo9zvfHmqTLpLdiHXPe4SVqUWcWHDJdFGrSmcA',
-            '/dns4/kras-02.fluence.dev/tcp/19001/wss/p2p/12D3KooWHLxVhUQyAuZe6AHMB29P7wkvTNMn7eDMcsqimJYLKREf',
-            '/dns4/kras-03.fluence.dev/tcp/19001/wss/p2p/12D3KooWJd3HaMJ1rpLY1kQvcjRPEvnDwcXrH8mJvk7ypcZXqXGE',
-            '/dns4/kras-04.fluence.dev/tcp/19001/wss/p2p/12D3KooWFEwNWcHqi9rtsmDhsYcDbRUCDXH84RC4FW6UfsFWaoHi',
-            '/dns4/kras-05.fluence.dev/tcp/19001/wss/p2p/12D3KooWCMr9mU894i8JXAFqpgoFtx6qnV1LFPSfVc3Y34N4h4LS',
-            '/dns4/kras-06.fluence.dev/tcp/19001/wss/p2p/12D3KooWDUszU2NeWyUVjCXhGEt1MoZrhvdmaQQwtZUriuGN1jTr',
-            '/dns4/kras-07.fluence.dev/tcp/19001/wss/p2p/12D3KooWEFFCZnar1cUJQ3rMWjvPQg6yMV2aXWs2DkJNSRbduBWn',
-            '/dns4/kras-08.fluence.dev/tcp/19001/wss/p2p/12D3KooWFtf3rfCDAfWwt6oLZYZbDfn9Vn7bv7g6QjjQxUUEFVBt',
-            '/dns4/kras-09.fluence.dev/tcp/19001/wss/p2p/12D3KooWD7CvsYcpF9HE9CCV9aY3SJ317tkXVykjtZnht2EbzDPm'
-          ]
-      fail-fast: false
-
-    defaults:
-      run:
-        shell: bash
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v2
-      - uses: actions/cache@v2
-        with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-            ~/.cargo/bin
-            target
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-      
-      - run: docker run -d --rm -e RUST_LOG="info" -p 1210:1210 -p 4310:4310 fluencelabs/fluence -t 1210 -w 4310 -k gKdiCSUr1TFGFEgu2t8Ch1XEUsrN5A2UfBLjSZvfci9SPR3NvZpACfcpPGC3eY4zma1pk7UvYv5zb1VjvPHwCjj --local
-      
-      - name: Download marine
-        run: sudo bash $GITHUB_WORKSPACE/.github/download_marine.sh
-      
-      - name: Install Rust
-        run: |
-          rustup toolchain install nightly-2021-04-24-x86_64-unknown-linux-gnu
-          rustup default nightly-2021-04-24-x86_64-unknown-linux-gnu
-          rustup target add wasm32-wasi --toolchain nightly-2021-04-24-x86_64-unknown-linux-gnu
-  
-      - uses: actions/cache@v2
-        with:
-            path: ~/.npm
-            key: ${{ runner.os }}-v1-node-16-${{ hashFiles('**/package-lock.json') }}
-            restore-keys: |
-                ${{ runner.os }}-v1-node-16
-      
-      - name: Setup Node.js 16
-        uses: actions/setup-node@v1
-        with:
-            node-version: 16
-
-      - run: npm install -g @fluencelabs/aqua@latest
-
-      - name: "Check connection to network"
-        run: |
-          set -x
-          NODE=${{ matrix.node }}
-          INPUT=$GITHUB_WORKSPACE/.github/check_connection.aqua
-
-          RESULT=$(aqua run --addr $NODE --sk qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqo= -f 'check_connection()' --input $INPUT)
-          RESULT=$(echo $RESULT | sed -e 's/Your peerId: [a-zA-Z0-9]*//g' | xargs)
-
-          if [ "$RESULT" != "ok" ]; then
-            echo "Failed to connect to $NODE"
-            exit 1
-          fi
-
-        working-directory: marine-examples/call_parameters
-
diff --git a/.github/workflows/check-deploy.yml b/.github/workflows/check-deploy.yml
deleted file mode 100644
index 60745ee..0000000
--- a/.github/workflows/check-deploy.yml
+++ /dev/null
@@ -1,87 +0,0 @@
-name: "check-deploy"
-
-on:
-  push:
-    # branches:
-    #   - "master"
-
-jobs:
-  check-deployment:
-    runs-on: ubuntu-latest
-    defaults:
-      run:
-        shell: bash
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v2
-      - uses: actions/cache@v2
-        with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-            ~/.cargo/bin
-            target
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-
-      - run: docker run -d --rm -e RUST_LOG="info" --name fluence -p 5001:5001 -p 1210:1210 -p 4310:4310 fluencelabs/fluence -t 1210 -w 4310 -k gKdiCSUr1TFGFEgu2t8Ch1XEUsrN5A2UfBLjSZvfci9SPR3NvZpACfcpPGC3eY4zma1pk7UvYv5zb1VjvPHwCjj --local
-
-      - name: Download marine
-        run: sudo bash $GITHUB_WORKSPACE/.github/download_marine.sh
-
-      - name: Install Rust
-        run: |
-          rustup toolchain install nightly-2021-04-24-x86_64-unknown-linux-gnu
-          rustup default nightly-2021-04-24-x86_64-unknown-linux-gnu
-          rustup target add wasm32-wasi --toolchain nightly-2021-04-24-x86_64-unknown-linux-gnu
-
-      - uses: actions/cache@v2
-        with:
-          path: ~/.npm
-          key: ${{ runner.os }}-v1-node-16-${{ hashFiles('**/package-lock.json') }}
-          restore-keys: |
-            ${{ runner.os }}-v1-node-16
-
-      - name: Setup Node.js 16
-        uses: actions/setup-node@v1
-        with:
-          node-version: 16
-
-      - run: npm install -g @fluencelabs/aqua@0.7.4-320
-
-      - name: "Wait for aqua-ipfs service to start"
-        run: |
-          set -o errexit -o nounset -o pipefail
-          set -x
-          while true; do
-            STATUS=$(docker logs fluence |& grep -q 'Fluence has been successfully started.' && echo "OK" || echo "FAIL")
-            if [ $STATUS == "OK" ]; then
-              break;
-            else
-              sleep 0.5
-              echo "Waiting for all builtin services to start"
-            fi
-          done
-
-      - name: "Check call_parameters deployment"
-        run: |
-          set -o errexit -o nounset -o pipefail
-
-          NODE="/ip4/127.0.0.1/tcp/4310/ws/p2p/12D3KooWKEprYXUXqoV5xSBeyqrWLpQLLH4PXfvVkDJtmcqmh5V3"
-          SERVICE_ID=`./deploy.sh $NODE`
-          INPUT=$GITHUB_WORKSPACE/.github/deploy.aqua
-
-          RESULT=$(aqua run --addr $NODE --sk qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqo= -f 'call(service_id)' -d '{"service_id": "'$SERVICE_ID'"}' --input $INPUT | jq -r)
-
-          EXPECTED_PEER_ID=$(echo -e "$RESULT" | sed -n '1p')
-          RESULT_PEER_ID=$(echo -e "$RESULT" | sed -n '3p')
-          if [ "$EXPECTED_PEER_ID" != "$RESULT_PEER_ID" ]; then
-            echo "Expected $EXPECTED_PEER_ID, got $RESULT_PEER_ID"
-            exit 1
-          fi
-
-          RESULT_SERVICE_ID=$(echo -e "$RESULT" | sed -n '2p')
-          if [ "$SERVICE_ID" != "$RESULT_SERVICE_ID" ]; then
-            echo "Expected $SERVICE_ID, got $RESULT_SERVICE_ID"
-            exit 1
-          fi
-        working-directory: marine-examples/call_parameters
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..1ccba6f
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,17 @@
+name: ci
+
+on:
+  pull_request:
+    branches:
+      - "main"
+    paths:
+      - "!**.md"
+
+concurrency:
+  group: "gitops-${{ github.ref }}"
+  cancel-in-progress: true
+
+jobs:
+  js:
+    name: "JS projects"
+    uses: ./.github/workflows/js-projects.yml
diff --git a/.github/workflows/js-projects.yml b/.github/workflows/js-projects.yml
new file mode 100644
index 0000000..f6d081c
--- /dev/null
+++ b/.github/workflows/js-projects.yml
@@ -0,0 +1,92 @@
+name: Run tests in JS projects
+
+on:
+  workflow_call:
+
+env:
+  CI: true
+  FORCE_COLOR: true
+
+jobs:
+  matrix:
+    runs-on: ubuntu-latest
+
+    outputs:
+      matrix: "${{ steps.changed.outputs.all_changed_files }}"
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 2
+
+      - name: Get changed files
+        id: changed
+        uses: tj-actions/changed-files@v35
+        with:
+          files: |
+            quickstart/1-browser-to-browser
+            quickstart/3-browser-to-service
+            js-client-examples/hello-world
+            js-client-examples/browser-example
+            js-client-examples/node-example
+            aqua-examples/echo-greeter/client-peer
+            aqua-examples/price-oracle/client-peer
+            aqua-examples/price-oracle/web
+            aqua-examples/aqua-ipfs-integration
+          dir_names: true
+          json: true
+          json_raw_format: true
+
+      - name: Print matrix
+        run: |
+          echo '${{ steps.changed.outputs.all_changed_files }}' | jq
+
+  test:
+    runs-on: ubuntu-latest
+
+    needs: matrix
+
+    strategy:
+      fail-fast: false
+      matrix:
+        dir: ${{ fromJSON(needs.matrix.outputs.matrix) }}
+
+    defaults:
+      run:
+        working-directory: ${{ matrix.dir }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Rust toolchain
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: nightly-2022-06-27
+          target: wasm32-wasi
+
+      - name: Setup marine
+        uses: fluencelabs/setup-marine@v1
+
+      - name: Setup node
+        uses: actions/setup-node@v3
+        with:
+          node-version: "16"
+          registry-url: "https://registry.npmjs.org"
+          cache-dependency-path: "${{ matrix.dir }}/package-lock.json"
+
+      - run: npm i
+      - run: npm run build
+
+      - name: Run tests
+        if: matrix.dir != 'aqua-examples/aqua-ipfs-integration'
+        run: npm run test
+
+      - name: Run aqua-ipfs-integration tests for web
+        if: matrix.dir == 'aqua-examples/aqua-ipfs-integration'
+        run: npm run test -w web
+
+      - name: Run aqua-ipfs-integration tests for nodejs
+        if: matrix.dir == 'aqua-examples/aqua-ipfs-integration'
+        run: npm run test -w nodejs
diff --git a/.github/workflows/test-aqua-ipfs-integration.yml b/.github/workflows/test-aqua-ipfs-integration.yml
deleted file mode 100644
index ad4008d..0000000
--- a/.github/workflows/test-aqua-ipfs-integration.yml
+++ /dev/null
@@ -1,66 +0,0 @@
-name:  Run tests for "aqua ipfs integration" project
-
-on:
-    push:
-
-jobs:
-    build:
-        runs-on: ubuntu-latest
-
-        strategy:
-            matrix:
-                node-version: [16.x]
-                project: [web, nodejs]
-            fail-fast: false
-
-        steps:
-            - uses: actions/checkout@v2
-
-            ### Prepare cargo & toolchains
-            - uses: actions/cache@v2
-              with:
-                    path: |
-                        ~/.cargo/registry
-                        ~/.cargo/git
-                        ~/.cargo/bin
-                        target
-                    key: ${{ runner.os }}-cargo-v2-${{ hashFiles('**/Cargo.lock') }}
-            - name: Install Rust toolchain with wasm32-unknown-unknown
-              uses: actions-rs/toolchain@v1
-              with:
-                    toolchain: nightly-2022-06-27
-                    target: wasm32-unknown-unknown
-                    profile: minimal
-                    override: true
-            - name: Install wasm32-wasi
-              uses: actions-rs/toolchain@v1
-              with:
-                toolchain: nightly-2022-06-27
-                target: wasm32-wasi
-                profile: minimal
-
-            - name: Install marine
-              run: cargo install marine || true
-
-            - uses: actions/cache@v2
-              with:
-                  path: ~/.npm
-                  key: ${{ runner.os }}-v1-node-${{ matrix.node-version }}-${{ hashFiles('**/package-lock.json') }}
-                  restore-keys: |
-                      ${{ runner.os }}-v1-node-${{ matrix.node-version }}
-
-            - name: Setup Node.js ${{ matrix.node-version }}
-              uses: actions/setup-node@v1
-              with:
-                  node-version: ${{ matrix.node-version }}
-
-            ### === Rust tests ===
-            - name: run tests
-              working-directory:
-                ./aqua-examples/aqua-ipfs-integration
-              env:
-                  CI: true
-              run: |
-                npm i
-                CI=false npm run build
-                npm run test -w ${{ matrix.project }}
diff --git a/.github/workflows/test-js-projects.yml b/.github/workflows/test-js-projects.yml
deleted file mode 100644
index edf2bc2..0000000
--- a/.github/workflows/test-js-projects.yml
+++ /dev/null
@@ -1,74 +0,0 @@
-name:  Run tests for js-based projects
-
-on:
-    push:
-
-jobs:
-    build:
-        runs-on: ubuntu-latest
-
-        strategy:
-            matrix:
-                node-version: [16.x]
-                working-directory: [
-                    "./quickstart/1-browser-to-browser",
-                    "./quickstart/3-browser-to-service",
-                    "./js-client-examples/hello-world",
-                    "./js-client-examples/browser-example",
-                    "./js-client-examples/node-example",
-                    "./aqua-examples/echo-greeter/client-peer",
-                    "./aqua-examples/price-oracle/client-peer",
-                    "./aqua-examples/price-oracle/web"
-                ]
-            fail-fast: false
-
-        steps:
-            - uses: actions/checkout@v2
-
-            ### Prepare cargo & toolchains
-            - uses: actions/cache@v2
-              with:
-                    path: |
-                        ~/.cargo/registry
-                        ~/.cargo/git
-                        ~/.cargo/bin
-                        target
-                    key: ${{ runner.os }}-cargo-v2-${{ hashFiles('**/Cargo.lock') }}
-            - name: Install Rust toolchain with wasm32-unknown-unknown
-              uses: actions-rs/toolchain@v1
-              with:
-                    toolchain: nightly-2022-06-27
-                    target: wasm32-unknown-unknown
-                    profile: minimal
-                    override: true
-            - name: Install wasm32-wasi
-              uses: actions-rs/toolchain@v1
-              with:
-                toolchain: nightly-2022-06-27
-                target: wasm32-wasi
-                profile: minimal
-
-            - name: Install marine
-              run: cargo install marine || true
-
-            - uses: actions/cache@v2
-              with:
-                  path: ~/.npm
-                  key: ${{ runner.os }}-v1-node-${{ matrix.node-version }}-${{ hashFiles('**/package-lock.json') }}
-                  restore-keys: |
-                      ${{ runner.os }}-v1-node-${{ matrix.node-version }}
-
-            - name: Setup Node.js ${{ matrix.node-version }}
-              uses: actions/setup-node@v1
-              with:
-                  node-version: ${{ matrix.node-version }}
-
-            ### === Rust tests ===
-            - name: run tests
-              working-directory: ${{ matrix.working-directory }}
-              env:
-                  CI: true
-              run: |
-                npm i
-                CI=false npm run build
-                npm run test
diff --git a/aqua-examples/aqua-ipfs-integration/README.md b/aqua-examples/aqua-ipfs-integration/README.md
index c8ccb58..f75c58e 100644
--- a/aqua-examples/aqua-ipfs-integration/README.md
+++ b/aqua-examples/aqua-ipfs-integration/README.md
@@ -1,11 +1,15 @@
 # IPFS code execution example
 
-> The build and deploy instructions as well as some of the Aqua code are outdated and the deployed services are no longer available. An updated version will be available soon.
+> The build and deploy instructions as well as some of the Aqua code are
+> outdated and the deployed services are no longer available. An updated version
+> will be available soon.
 
 This example showcases 2 things:
 
-1. how it's possible to store .wasm modules on IPFS, then deploy them to Fluence as a service
-2. ability to process IPFS files via a Fluence service. In this example, we get a size of a file
+1. how it's possible to store .wasm modules on IPFS, then deploy them to Fluence
+   as a service
+2. ability to process IPFS files via a Fluence service. In this example, we get
+   a size of a file
 
 ## Learn about AquaIPFS
 
@@ -19,23 +23,24 @@ You need npm v7 or later to run the examples
 
 1. Run it
 
-    ```bash
-    npm i
-    npm run build -w aqua
-    npm start -w web
-    ```
+   ```bash
+   npm i
+   npm run build -w aqua
+   npm start -w web
+   ```
 
 2. Press "deploy"
 3. Copy WASM service CID and press "get_size"
 
 ### NodeJS example
 
-```bash
-npm i
-npm run build -w aqua
-npm start -w nodejs
-```
+  ```bash
+  npm i
+  npm run build -w aqua
+  npm start -w nodejs
+  ```
 
 ## Aqua implementation
 
-The business logic is implemented in Aqua in [process.aqua](aqua/aqua/process.aqua)
+The business logic is implemented in Aqua in
+[process.aqua](aqua/aqua/process.aqua)
diff --git a/js-client-examples/hello-world/README.md b/js-client-examples/hello-world/README.md
index acd7682..828097e 100644
--- a/js-client-examples/hello-world/README.md
+++ b/js-client-examples/hello-world/README.md
@@ -18,4 +18,5 @@ npm start
 
 ## Learn more
 
-To learn more, refer to the [documentation page](https://fluence.dev//docs/build/js-client/js-client)
+To learn more, refer to the
+[documentation page](https://fluence.dev//docs/build/js-client/js-client)