Enhance github action workflow

- Add database image build and export steps
- Refine environment variable syntax in PHP Dockerfile

Author: mtorrisi

.github/workflows/docker-publish.yaml

@@ -10,6 +10,7 @@ on:
 env:
   REGISTRY: ghcr.io
   IMAGE_NAME: tsdsystem-app
+  IMAGE_DB_NAME: tsdsystem-db
   IMAGE_TAG: latest
 
 jobs:
@@ -43,14 +44,22 @@ jobs:
             echo "IMAGE_TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
         fi
 
-    - name: Build and export to Docker
+    - name: Build TSDSystem app and export to Docker
       uses: docker/build-push-action@v6
       with:
         context: .
         file: ./docker/php/Dockerfile.prod
         load: true
         tags: ${{ env.REGISTRY }}/${{ github.repository }}/${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }}
 
+    - name: Build TSDSystem db and export to Docker
+      uses: docker/build-push-action@v6
+      with:
+        context: .
+        file: ./docker/timescale/Dockerfile
+        load: true
+        tags: ${{ env.REGISTRY }}/${{ github.repository }}/${{ env.IMAGE_DB_NAME }}:${{ env.IMAGE_TAG }}
+
     - name: Test Run
       run: |
         docker run --rm -d ${{ env.REGISTRY }}/${{ github.repository }}/${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }}
@@ -64,3 +73,16 @@ jobs:
         tags: ${{ env.REGISTRY }}/${{ github.repository }}/${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }}
         cache-from: type=gha
         cache-to: type=gha,mode=max
+
+    - name: Build and push db image
+      uses: docker/build-push-action@v6
+      with:
+        context: .
+        file: ./docker/timescale/Dockerfile
+        push: true
+        tags: ${{ env.REGISTRY }}/${{ github.repository }}/${{ env.IMAGE_DB_NAME }}:${{ env.IMAGE_TAG }}
+        cache-from: type=gha
+        cache-to: type=gha,mode=max
+
+    - name: Logout from Docker Registry
+      run: docker logout ${{ env.REGISTRY }}

docker/php/Dockerfile.prod

@@ -12,7 +12,7 @@ RUN apt-get update \
 
 RUN docker-php-ext-install pdo pdo_pgsql pgsql
 
-# ENABLE mod rewrite 
+# ENABLE mod rewrite
 RUN a2enmod rewrite
 
 RUN apt-get clean && rm -rf /var/lib/apt/lists/*
@@ -23,9 +23,9 @@ WORKDIR /var/www/html/tsdws
 
 # Configure non-root user.
 ARG PUID=1000
-ENV PUID ${PUID}
+ENV PUID=${PUID}
 ARG PGID=1000
-ENV PGID ${PGID}
+ENV PGID=${PGID}
 
 RUN groupmod -o -g ${PGID} www-data && \
     usermod -o -u ${PUID} -g www-data www-data