Updated workflow to check and update the docker image automatically

.github/workflows/build-image.yaml

@@ -4,26 +4,66 @@ on:
   push:
     branches:
       - "main"
+  schedule:
+    - cron: "0 0 * * *"
   workflow_dispatch:
 
 jobs:
   docker:
     runs-on: ubuntu-latest
     steps:
+      - name: Check latest Pocketbase Version
+        run: |
+          curl -s https://api.github.com/repos/pocketbase/pocketbase/releases/latest | jq -r '.tag_name' > latest_version
+        id: latest_version
+
+      - name: Print latest Pocketbase Version
+        run: |
+          cat latest_version
+        id: print_version
+
+      - name: Check latest Docker Image Version
+        run: |
+          docker pull lukehagar/pocketbase:latest
+          docker inspect lukehagar/pocketbase:latest --format='{{index .Config.Labels "org.opencontainers.image.version"}}' > latest_docker_version
+        id: latest_docker_version
+
+      - name: Print latest Docker Image Version
+        run: |
+          cat latest_docker_version
+        id: print_docker_version
+
+      - name: Check if latest version is different
+        run: |
+          if [ "$(cat latest_version)" != "$(cat latest_docker_version)" ]; then
+            echo "Versions are different"
+            echo "::set-output name=build::true"
+          else
+            echo "Versions are the same"
+            echo "::set-output name=build::false"
+          fi
+        id: check_version
+
       - name: Set up QEMU
+        if: steps.check_version.outputs.build == 'true'
         uses: docker/setup-qemu-action@v2
 
       - name: Set up Docker Buildx
+        if: steps.check_version.outputs.build == 'true'
         uses: docker/setup-buildx-action@v2
 
       - name: Login to Docker Hub
+        if: steps.check_version.outputs.build == 'true'
         uses: docker/login-action@v2
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Build and push
-        uses: docker/build-push-action@v4
+        if: steps.check_version.outputs.build == 'true'
+        uses: docker/build-push-action@v5
         with:
           push: true
           tags: lukehagar/pocketbase:latest
+          build-args: |
+            POCKETBASE_VERSION=$(cat latest_version)

Dockerfile

@@ -1,6 +1,6 @@
 FROM alpine:latest
 
-ARG PB_VERSION=0.21.1
+ARG POCKETBASE_VERSION=0.21.1
 ARG ENCRYPTION_KEY
 ENV PB_ENCRYPTION_KEY=$ENCRYPTION_KEY
 
@@ -9,7 +9,7 @@ RUN apk add --no-cache \
     ca-certificates
 
 # download and unzip PocketBase
-ADD https://github.com/pocketbase/pocketbase/releases/download/v${PB_VERSION}/pocketbase_${PB_VERSION}_linux_amd64.zip /tmp/pb.zip
+ADD https://github.com/pocketbase/pocketbase/releases/download/v${POCKETBASE_VERSION}/pocketbase_${POCKETBASE_VERSION}_linux_amd64.zip /tmp/pb.zip
 RUN unzip /tmp/pb.zip -d /pb/
 
 EXPOSE 8080