feat: Add deployment to Docker swarm

.github/workflows/deploy.yaml

@@ -1,47 +1,60 @@
-name: Deploy
+name: Deploy to Swarm
+
 on:
-  workflow_call:
-    inputs:
-      application:
-        description: Name of the path/application to deploy
-        type: string
-        required: true
-      image_version:
-        description: Docker image tag of the application to deploy
-        type: string
-        required: true
-      target:
-        description: Target overlay of deployment
-        type: string
-        required: true
-    secrets:
-      ACTIONS_GITHUB_TOKEN:
-        description: PAT with permission public_repo
-        required: true
-permissions:
-  contents: write
+  push:
+    paths:
+      - 'docker/**'
+
 jobs:
+  fact-finding:
+    name: Detect changed environments
+    runs-on: ubuntu-latest
+    outputs:
+      changed_envs: ${{ steps.detect.outputs.changed_envs }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Determine which environments changed
+        id: detect
+        run: |
+          echo "changed_envs=$(git diff --name-only ${{ github.event.before }} ${{ github.sha }} | grep '^docker/' | cut -d/ -f2 | sort -u | tr '\n' ' ')" >> "$GITHUB_OUTPUT"
   deploy:
     name: Deploy
     runs-on: ubuntu-latest
+    needs: fact-finding
+    strategy:
+      matrix:
+        env: [ test ]
+    if: contains(needs.fact-finding.outputs.changed_envs, matrix.env)
+    environment: ${{ matrix.env }}
     steps:
       - uses: actions/checkout@v4
+      - name: Build & push Nginx image to GHCR
+        if: steps.detect.outputs.changed_envs != ''
+        run: |
+          docker build -t ghcr.io/2martens/docker-nginx:${{ matrix.env }} docker/${{ matrix.env }}/nginx
+          echo "${{ secrets.GHCR_PAT }}" | docker login ghcr.io -u 2martens --password-stdin
+          docker push ghcr.io/2martens/docker-nginx:${{ matrix.env }}
+      - name: Copy files to remote
+        if: steps.detect.outputs.changed_envs != ''
+        uses: burnett01/rsync-deployments@7.0.2
         with:
-          repository: 2martens/cloud-configuration
-          ref: main
-          token: ${{ secrets.ACTIONS_GITHUB_TOKEN }}
-      - name: Update image version
-        run: |
-          mkdir $HOME/bin
-          wget https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -O $HOME/bin/yq && chmod +x $HOME/bin/yq
-          sed -i -r "s/(tag:).*/\1\ \"${{ inputs.image_version }}\"/" argocd/${{ inputs.application }}/${{ inputs.target }}/overwrite_values.yaml
-          cd argocd/${{ inputs.application }}/${{ inputs.target }} && $HOME/bin/yq '. *= load("overwrite_values.yaml")' default_values.yaml > values.yaml
-      - name: setup git config
-        run: |
-          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
-          git config user.name "github-actions[bot]"
-      - name: Save modified variable file
-        run: |
-          git add argocd/${{ inputs.application}}/${{ inputs.target }}/*
-          git diff-index --quiet HEAD || git commit -m "chore: Change ${{ inputs.application }}_image_version to ${{ inputs.image_version }}"
-          git push
+          switches: -az -r --del
+          path: docker/${{ matrix.env }}/stack-config/.
+          remote_path: ~/tmp/stack-config
+          remote_host: ${{ secrets.DEPLOY_HOST }}
+          remote_port: ${{ secrets.DEPLOY_PORT }}
+          remote_user: ${{ secrets.DEPLOY_USER }}
+          remote_key: ${{ secrets.DEPLOY_KEY }}
+      - name: Deploy applications
+        uses: appleboy/ssh-action@v1
+        with:
+          host: ${{ secrets.DEPLOY_HOST }}
+          username: ${{ secrets.DEPLOY_USER }}
+          key: ${{ secrets.DEPLOY_KEY }}
+          script: |
+            docker pull ghcr.io/2martens/docker-nginx:${{ matrix.env }}
+            docker service update --image ghcr.io/2martens/docker-nginx:${{ matrix.env }} nginx-proxy
+            for f in ~/tmp/stack-config/*.yaml; do
+              NAME=$(basename "$f" .yaml)
+              docker stack deploy -c "$f" "$NAME"
+            done