ci: add deploy workflow (build linux/amd64 to GHCR + SSH deploy to VPS)

.github/workflows/deploy.yml

@@ -0,0 +1,43 @@
+name: deploy
+on:
+  push:
+    branches: [main]
+    paths: ["**", ".github/workflows/deploy.yml"]
+  workflow_dispatch:
+permissions:
+  contents: read
+  packages: write
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/setup-buildx-action@v3
+      - uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64
+          push: true
+          tags: ghcr.io/vee1e/subidx:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+  deploy:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: appleboy/ssh-action@v1
+        with:
+          host: ${{ secrets.DEPLOY_HOST }}
+          username: ${{ secrets.DEPLOY_USER }}
+          key: ${{ secrets.DEPLOY_SSH_KEY }}
+          port: 7576
+          script: |
+            cd /srv/personal-apps
+            docker compose pull subidx
+            docker compose up -d --no-deps subidx
+            docker image prune -f