build the container for multiple PostgreSQL versions

.github/workflows/container-release.yml

@@ -15,6 +15,13 @@ jobs:
     permissions:
       contents: read
       packages: write
+    strategy:
+      fail-fast: false
+      matrix:
+        postgresql:
+          - 12
+          - 13
+          - 15
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -30,7 +37,7 @@ jobs:
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
-            type=raw,value=12
+            type=raw,value=${{ matrix.postgresql }}
       - name: Build and push Docker image
         uses: docker/build-push-action@v5
         with:
@@ -39,3 +46,5 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            POSTGRESQL_VERSION=${{ matrix.postgresql }}

.github/workflows/container.yml

@@ -10,13 +10,22 @@ permissions:
 jobs:
   container:
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        postgresql:
+          - 12
+          - 13
+          - 15
     steps:
       - uses: actions/checkout@v4
       - name: Build container
         uses: docker/build-push-action@v5
         with:
           file: Containerfile
           tags: postgresql-evr:latest
+          build-args: |
+            POSTGRESQL_VERSION=${{ matrix.postgresql }}
       - name: Run container
         run: docker run -p 5432:5432 -e POSTGRES_PASSWORD=password --detach --name postgres postgresql-evr:latest
       - name: Wait for the container to start up

Containerfile

@@ -1,4 +1,5 @@
-FROM postgres:12
+ARG POSTGRESQL_VERSION=12
+FROM postgres:${POSTGRESQL_VERSION}
 
 COPY Makefile *.control *.sql /src/