From a1ad05d22f66363ce84e78c829ee1f8986ba4276 Mon Sep 17 00:00:00 2001
From: dbernstein <dabylon@gmail.com>
Date: Mon, 20 May 2024 12:34:25 -0700
Subject: [PATCH] Publish docker images for PRs that are labelled with version,
 pr number, and sha. (#73)

---
 .github/workflows/ci-build.yml | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index 24c9f16b..eb2cb527 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -78,7 +78,6 @@ jobs:
     
     - name: Login to GHCR.IO
       uses: docker/login-action@v1
-      if: github.event_name == 'push' && (github.ref == 'refs/heads/develop' || github.ref == 'refs/heads/main')
       with:
         registry: ghcr.io
         username: ${{ github.repository_owner }}
@@ -87,11 +86,9 @@ jobs:
     - name: Set up Docker Buildx
       id: buildx
       uses: docker/setup-buildx-action@v1
-      if: github.event_name == 'push' && (github.ref == 'refs/heads/develop' || github.ref == 'refs/heads/main')
 
     - name: Cache Docker layers
       uses: actions/cache@v2
-      #if: github.event_name == 'push' && (github.ref == 'refs/heads/develop' || github.ref == 'refs/heads/main')
       with:
         path: /tmp/.buildx-cache
         key: ${{ runner.os }}-buildx-${{ github.sha }}
@@ -102,10 +99,23 @@ jobs:
       run: echo ::set-output name=version::$(mvn -q -Dexec.executable=echo -Dexec.args='${project.version}' --non-recursive exec:exec)
       id: project_version
 
+
+    - name: Set docker tags (PR)  
+      if: ${{ github.event_name == 'pull_request' }}
+      shell: bash
+      run: |
+        echo "DOCKER_TAGS=ghcr.io/${{ github.repository }}:${{ steps.project_version.outputs.version }}-PR-${{github.event.number}}-${{github.event.pull_request.head.sha}}" >> ${GITHUB_ENV}
+
+    - name: Set docker tags (Push)  
+      if: ${{ github.event_name == 'push' }}  
+      shell: bash
+      run: |  
+        echo "DOCKER_TAGS=ghcr.io/${{ github.repository }}:latest,ghcr.io/${{ github.repository }}:${{ steps.project_version.outputs.version }}" >> ${GITHUB_ENV}
+
     - name: Build and push
       id: docker_build
       uses: docker/build-push-action@v2
-      if: github.event_name == 'push' && (github.ref == 'refs/heads/develop' || github.ref == 'refs/heads/main')
+      if: github.event_name == 'pull_request' ||  (github.event_name == 'push' && (github.ref == 'refs/heads/develop' || github.ref == 'refs/heads/main'))
       with:
         context: ./
         file: ./docker/Dockerfile
@@ -113,7 +123,7 @@ jobs:
         platforms: linux/amd64
         push: true
         build-args: VERSION=${{ steps.project_version.outputs.version }}
-        tags: ghcr.io/${{ github.repository }}:latest,ghcr.io/${{ github.repository }}:${{ steps.project_version.outputs.version }}
+        tags: ${{ env.DOCKER_TAGS}}
         cache-from: type=local,src=/tmp/.buildx-cache
         cache-to: type=local,dest=/tmp/.buildx-cache
     - name: Image digest