chore: add Docker build on PR

.env.production.example

@@ -0,0 +1,3 @@
+DATABASE_URL="postgres://dokploy:amukds4wi9001583845717ad2@dokploy-postgres:5432/dokploy"
+PORT=3000
+NODE_ENV=production

.github/workflows/pull-request.yml

@@ -5,7 +5,8 @@ on:
       - main 
       - canary
 jobs:
-  build:
+  build-app:
+    if: github.event_name == 'pull_request'
     runs-on: ubuntu-20.04
     strategy:
       matrix:
@@ -23,4 +24,54 @@ jobs:
     - name: Install dependencies
       run: pnpm install
     - name: Run Build
-      run: pnpm build
+      run: pnpm build
+
+
+  build-docker-on-pr:
+    if: github.event_name == 'pull_request'
+    needs: build-app
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the code
+        uses: actions/checkout@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Prepare .env file
+        run: |
+          cp .env.production.example .env.production
+
+      - name: Run custom Docker build script
+        run: |
+
+          chmod +x ./docker/build.sh
+          echo "Building Docker image for ${{ github.head_ref }}"
+          ./docker/build.sh ${{ github.head_ref == 'canary' && 'canary' || '' }}
+  
+  build-and-push-docker-on-push:
+    if: github.event_name == 'push'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the code
+        uses: actions/checkout@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Prepare .env file
+        run: |
+          cp .env.production.example .env.production
+
+      - name: Build and push Docker image using custom script
+        run: |
+          chmod +x ./docker/build.sh
+          chmod +x ./docker/push.sh
+          ./docker/build.sh ${{ github.ref_name == 'canary' && 'canary' || '' }}
+          ./docker/push.sh ${{ github.ref_name == 'canary' && 'canary' || '' }}