diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..38d2d7f
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,120 @@
+name: Build
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  push:
+    branches: [ main ]
+  workflow_dispatch: 
+    inputs:
+      version:
+        description: |
+          The version of the project to build. Example: `1.0.3`.
+          
+          If not provided, a development build with a version name
+          based on the branch name will be built. Otherwise, a release
+          build with the provided version will be built.
+        required: false
+
+jobs:
+  # phase 1
+  target:
+    name: Build target branch
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+
+    outputs:
+      target_branch: ${{ steps.build-target.outputs.target_branch }}
+      version: ${{ steps.build-target.outputs.version }}
+      docker_matrix: ${{ steps.build-target.outputs.docker_matrix }}
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+        with:
+          submodules: 'recursive'
+          fetch-depth: 0
+
+      - name: Install Viash
+        uses: viash-io/viash-actions/setup@v6
+      
+      - name: Determine variables
+        id: variables
+        run: |
+          VERSION="${{ github.event.inputs.version }}"
+          SOURCE_BRANCH=$(echo "$GITHUB_REF" | sed 's/refs\/heads\///')
+
+          if [[ -z $VERSION ]]; then
+            TARGET_BRANCH="build/$SOURCE_BRANCH"
+            VERSION=$(echo "$TARGET_BRANCH" | sed 's/[^a-zA-Z0-9_]/_/g')
+          else
+            if [[ ! "$VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+.*$ ]]; then
+              echo "Version '$VERSION' does not match PEP440"
+              exit 1
+            fi
+            TARGET_BRANCH="release/${VERSION%.*}.x"
+          fi
+
+          echo "Set version of Viash package to '$VERSION'"
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+
+          echo "Set target branch to '$TARGET_BRANCH'"
+          echo "target_branch=$TARGET_BRANCH" >> $GITHUB_OUTPUT
+          
+
+      - uses: viash-io/viash-actions/project/build-target@v6
+        id: build-target
+        with:
+          target_branch: ${{ steps.variables.outputs.target_branch }}
+          version: ${{ steps.variables.outputs.version }}
+      
+      - name: Deploy to target branch
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_branch: ${{ steps.variables.outputs.target_branch }}
+          publish_dir: .
+
+  # phase 2
+  docker:
+    name: Build and push Docker images
+    needs: target
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        component: ${{ fromJson(needs.target.outputs.docker_matrix) }}
+
+    steps:
+      # Remove unnecessary files to free up space. Otherwise, we get 'no space left on device.'
+      - uses: data-intuitive/reclaim-the-bytes@v2
+      
+      - uses: actions/checkout@v4
+        with:
+          submodules: 'recursive'
+          ref: ${{ needs.target.outputs.target_branch }}
+
+      - uses: viash-io/viash-actions/setup@v6
+          
+      - name: Login to container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build image
+        run: |
+          ${{matrix.component.executable}} ---engine docker ---setup build ---verbose
+  
+      - name: Push image
+        run: |
+          ${{matrix.component.executable}} ---engine docker ---setup push ---verbose
diff --git a/.github/workflows/main-build.yml b/.github/workflows/main-build.yml
deleted file mode 100644
index 2772dc6..0000000
--- a/.github/workflows/main-build.yml
+++ /dev/null
@@ -1,93 +0,0 @@
-name: main build
-concurrency: main_build
-
-on:
-  push:
-    branches: [ 'main' ]
-
-jobs:
-  # phase 1
-  list:
-    runs-on: ubuntu-latest
-
-    outputs:
-      component_matrix: ${{ steps.set_matrix.outputs.matrix }}
-      cache_key: ${{ steps.cache.outputs.cache_key }}
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - uses: viash-io/viash-actions/setup@v3
-
-    - name: Remove target folder from .gitignore
-      run: |
-        # allow publishing the target folder
-        sed -i '/^target.*/d' .gitignore
-
-    - uses: viash-io/viash-actions/ns-build@v3
-      with:
-        config_mod: .functionality.version := 'main_build'
-        parallel: true
-
-    - name: Deploy to target branch
-      uses: peaceiris/actions-gh-pages@v3
-      with:
-        github_token: ${{ secrets.GITHUB_TOKEN }}
-        publish_dir: .
-        publish_branch: main_build
-
-    - id: ns_list
-      uses: viash-io/viash-actions/ns-list@v3
-      with:
-        platform: docker
-        src: src
-        format: json
-
-    - id: set_matrix
-      run: |
-        echo "matrix=$(jq -c '[ .[] | 
-          { 
-            "name": (.functionality.namespace + "/" + .functionality.name),
-            "config": .info.config,
-            "dir": .info.config | capture("^(?<dir>.*\/)").dir
-          }
-        ]' ${{ steps.ns_list.outputs.output_file }} )" >> $GITHUB_OUTPUT
-
-  # phase 2
-  build:
-    needs: list
-
-    runs-on: ubuntu-latest
-
-    strategy:
-      fail-fast: false
-      matrix:
-        component: ${{ fromJson(needs.list.outputs.component_matrix) }}
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - uses: viash-io/viash-actions/setup@v3
-
-    - name: Build container
-      uses: viash-io/viash-actions/ns-build@v3
-      with:
-        config_mod: .functionality.version := 'main_build'
-        platform: docker
-        src: ${{ matrix.component.dir }}
-        setup: build
-        
-    - name: Login to container registry
-      uses: docker/login-action@v2
-      with:
-        registry: ghcr.io
-        username: ${{ secrets.GTHB_USER }}
-        password: ${{ secrets.GTHB_PAT }}
-
-    - name: Push container
-      uses: viash-io/viash-actions/ns-build@v3
-      with:
-        config_mod: .functionality.version := 'main_build'
-        platform: docker
-        src: ${{ matrix.component.dir }}
-        setup: push
\ No newline at end of file
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..91aa083
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,90 @@
+name: Test
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+
+jobs:
+  # phase 1
+  list:
+    name: List components to test
+    runs-on: ubuntu-latest
+
+    outputs:
+      matrix: ${{ steps.ns_list_filter_nextflow.outputs.output_matrix }}
+      cache_key: ${{ steps.cache.outputs.cache_key }}
+      dest_paths: ${{ steps.cache.outputs.dest_paths }}
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+        submodules: 'recursive'
+
+    - uses: viash-io/viash-actions/setup@v6
+
+    - uses: viash-io/viash-actions/project/sync-and-cache@v6
+      id: cache
+
+    - id: ns_list
+      uses: viash-io/viash-actions/ns-list@v6
+      with:
+        format: json
+        runner: executable
+
+    - id: ns_list_filter_changed
+      uses: viash-io/viash-actions/project/detect-changed-components@v6
+      with:
+        input_file: "${{ steps.ns_list.outputs.output_file }}"
+
+    - name: Filter out Nextflow scripts (testing currently not supported)
+      id: ns_list_filter_nextflow
+      run: |
+        OUTPUT_MATRIX=$(echo '${{ steps.ns_list_filter_changed.outputs.output_matrix }}' | jq -c 'map(select(.main_script_type != "nextflow_script"))')
+        echo "output_matrix=$OUTPUT_MATRIX" >> $GITHUB_OUTPUT
+
+  # phase 2
+  test:
+    name: Test component
+    needs: list
+    if: ${{ needs.list.outputs.matrix != '[]' && needs.list.outputs.matrix != '' }}
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        component: ${{ fromJson(needs.list.outputs.matrix) }}
+
+    steps:
+    # Remove unnecessary files to free up space. Otherwise, we get 'no space left on device.'
+    - name: Clear space
+      uses: data-intuitive/reclaim-the-bytes@v2
+    
+    - name: Check out repository
+      uses: actions/checkout@v4
+      with:
+        submodules: 'recursive'
+        fetch-depth: 0
+        
+    - name: Install Viash
+      uses: viash-io/viash-actions/setup@v6
+
+    # use cache
+    - name: Cache resources data
+      if: ${{ needs.list.outputs.cache_key != '' }}
+      uses: actions/cache/restore@v4
+      timeout-minutes: 10
+      with:
+        path: ${{ needs.list.outputs.dest_paths }}
+        key: ${{ needs.list.outputs.cache_key }}
+
+    - name: Run test
+      timeout-minutes: 30
+      env:
+        VIASH_TEMP: "${{ runner.temp }}/viash_test_temp"
+      run: |
+        viash test \
+          "${{ matrix.component.config }}" \
+          --cpus 2 \
+          --memory "16gb"
diff --git a/.github/workflows/viash-test.yml b/.github/workflows/viash-test.yml
deleted file mode 100644
index 9a431c2..0000000
--- a/.github/workflows/viash-test.yml
+++ /dev/null
@@ -1,97 +0,0 @@
-name: viash test
-
-on:
-  pull_request:
-  push:
-    branches: [ '**' ]
-
-jobs:
-  run_ci_check_job:
-    runs-on: ubuntu-latest
-    outputs:
-      run_ci: ${{ steps.github_cli.outputs.check }}
-    steps:
-      - name: 'Check if branch has an existing pull request and the trigger was a push'
-        id: github_cli
-        run: |
-          pull_request=$(gh pr list -R ${{ github.repository }} -H ${{ github.ref_name }} --json url --state open --limit 1 | jq '.[0].url')
-          # If the branch has a PR and this run was triggered by a push event, do not run
-          if [[ "$pull_request" != "null" && "$GITHUB_REF_NAME" != "main" && "${{ github.event_name == 'push' }}" == "true" && "${{ !contains(github.event.head_commit.message, 'ci force') }}" == "true" ]]; then
-            echo "check=false" >> $GITHUB_OUTPUT
-          else
-            echo "check=true" >> $GITHUB_OUTPUT
-          fi
-        env:
-          GITHUB_TOKEN: ${{ secrets.GTHB_PAT }}
-
-  # phase 1
-  list:
-    needs: run_ci_check_job
-    env:
-      s3_bucket: s3://openpipelines-data/
-    runs-on: ubuntu-latest
-    if: "needs.run_ci_check_job.outputs.run_ci == 'true'"
-
-    outputs:
-      matrix: ${{ steps.set_matrix.outputs.matrix }}
-      cache_key: ${{ steps.cache.outputs.cache_key }}
-
-    steps:
-    - uses: actions/checkout@v3
-      with:
-        fetch-depth: 0 
-
-    - uses: viash-io/viash-actions/setup@v3
-
-    - name: Get changed files
-      id: changed-files
-      uses: tj-actions/changed-files@v35.6.4
-      with:
-        separator: ";"
-        diff_relative: true
-
-    - id: ns_list
-      uses: viash-io/viash-actions/ns-list@v3
-      with:
-        platform: docker
-        format: json
-
-    - id: ns_list_filtered
-      uses: viash-io/viash-actions/project/detect-changed-components@v3
-      with:
-        input_file: "${{ steps.ns_list.outputs.output_file }}"
-
-    - id: set_matrix
-      run: |
-        echo "matrix=$(jq -c '[ .[] | 
-          { 
-            "name": (.functionality.namespace + "/" + .functionality.name),
-            "config": .info.config,
-            "dir": .info.config | capture("^(?<dir>.*\/)").dir
-          }
-        ]' ${{ steps.ns_list_filtered.outputs.output_file }} )" >> $GITHUB_OUTPUT
-
-  # phase 2
-  viash_test:
-    needs: list
-    if: ${{ needs.list.outputs.matrix != '[]' && needs.list.outputs.matrix != '' }}
-    runs-on: ubuntu-latest
-
-    strategy:
-      fail-fast: false
-      matrix:
-        component: ${{ fromJson(needs.list.outputs.matrix) }}
-
-    steps:
-    - uses: actions/checkout@v3
-
-    - uses: viash-io/viash-actions/setup@v3
-
-    - name: Run test
-      timeout-minutes: 30
-      run: |
-        viash test \
-          "${{ matrix.component.config }}" \
-          --cpus 2 \
-          --memory "5gb"
-