DRAFT: Build studios compatible images

.github/studios.Dockerfile

@@ -0,0 +1,58 @@
+
+ARG CONNECT_CLIENT_VERSION="0.8-rc"
+
+FROM cr.seqera.io/public/data-studio-vscode:1.101.2-${CONNECT_CLIENT_VERSION}
+
+ARG IMAGE_TAG=2.2.1
+ENV TRAINING_TAG=${IMAGE_TAG}
+
+# Create and configure workspace
+WORKDIR /workspaces
+RUN mkdir -p /workspaces/.nextflow && \
+    mkdir -p /workspaces/.vscode-server && \
+    mkdir -p /workspaces/training
+
+# Configure VS Code settings for dark mode and auto-open terminal
+RUN mkdir -p /workspaces/training/.vscode
+COPY <<EOF /workspaces/training/.vscode/settings.json
+{
+    "workbench.colorTheme": "Default Dark Modern",
+    "terminal.integrated.defaultProfile.linux": "bash",
+    "terminal.integrated.cwd": "${workspaceFolder}",
+    "workbench.startupEditor": "none",
+    "workbench.panel.defaultLocation": "bottom",
+    "workbench.panel.opensMaximized": "never",
+    "terminal.integrated.showOnStartup": "always",
+    "cSpell.diagnosticLevel": "Hint",
+    "nextflow.java.home": "/usr",
+    "nextflow.debug": false
+}
+EOF
+
+# Pre-install nf-core extension pack
+RUN /home/.vscode/bin/openvscode-server --install-extension nf-core.nf-core-extensionpack --force
+
+# Patch init script to use training directory as default folder
+RUN sed -i 's|--default-folder '"'"'/workspace'"'"'|--default-folder '"'"'/workspaces/training'"'"'|g' /init
+
+# Create setup script that downloads training materials then runs init
+RUN echo -e '#!/bin/bash\n\
+echo "Downloading training materials..."\n\
+wget -qO- https://github.com/nextflow-io/training/archive/refs/tags/${TRAINING_TAG}.tar.gz | tar xz --strip-components=1 -C /workspaces/training\n\
+echo "Initializing Nextflow..."\n\
+# Set conservative JVM flags for memory management only\n\
+export NXF_OPTS="-XX:+UseContainerSupport -XX:MaxRAMPercentage=50.0"\n\
+# Pre-warm Nextflow\n\
+nextflow help > /dev/null 2>&1\n\
+sleep 2\n\
+nextflow info > /dev/null 2>&1\n\
+sleep 2\n\
+echo "Starting VS Code..."\n\
+exec /init' > /usr/local/bin/setup.sh && \
+    chmod +x /usr/local/bin/setup.sh
+
+# Override the entrypoint to use connect-client
+ENTRYPOINT ["/usr/bin/connect-client", "--entrypoint", "/usr/local/bin/setup.sh"]
+
+# Default arguments (empty since setup script handles everything)
+CMD []

.github/workflows/docker-devcontainer.yml

@@ -9,6 +9,7 @@ on:
     paths:
       - ".devcontainer/**"
       - ".github/workflows/docker-devcontainer.yml"
+      - ".github/studios.Dockerfile"
   push: { branches: [master] } # Build + push ('latest' tag)
   release: { types: [published] } # Build + push (release tag)
   workflow_dispatch: # Build + push (custom tag)
@@ -68,3 +69,38 @@ jobs:
             push
             release
             workflow_dispatch
+
+  build_studios:
+    needs: build_push
+    if: github.event_name != 'pull_request' || contains(github.event.pull_request.changed_files, '.github/studios.Dockerfile')
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Studios image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: .github/studios.Dockerfile
+          push: ${{ github.event_name != 'pull_request' }}
+          platforms: linux/amd64,linux/arm64
+          tags: ghcr.io/${{ github.repository }}-studios:${{ env.IMAGE_TAG }}
+          build-args: |
+            IMAGE_TAG=${{ env.IMAGE_TAG }}