Segregate image names for develop/master branches 🙌

Author: d3vel0per

.github/workflows/docker-publish.yaml

@@ -16,11 +16,16 @@ jobs:
         uses: actions/setup-java@v1
         with:
           java-version: ${{ env.JAVA_VERSION }}
+      - name: Extract branch name
+        shell: bash
+        run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
+        id: extract_branch
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0
       - name: Build and Publish Docker Image
         env:
           REGISTRY_USER: ${{ secrets.REGISTRY_USER }}
           REGISTRY_PASSWORD: ${{ secrets.REGISTRY_PASSWORD }}
+          BRANCH_NAME: ${{ steps.extract_branch.outputs.branch }}
         run: ./gradlew jib

.github/workflows/docker-build.yaml .github/workflows/docker-verify.yaml.github/workflows/docker-build.yaml renamed to .github/workflows/docker-verify.yaml

@@ -19,10 +19,12 @@ repositories {
     }
 }
 
+var outputImage = 'togetherjava.duckdns.org:5001/togetherjava/tjbot:' + System.getenv('BRANCH_NAME') ?: 'latest'
+
 jib {
     from.image = 'adoptopenjdk/openjdk16:alpine-slim'
     to {
-        image = 'togetherjava.duckdns.org:5001/togetherjava/tjbot:latest'
+        image = outputImage
         auth {
             username = System.getenv('REGISTRY_USER') ?: ''
             password = System.getenv('REGISTRY_PASSWORD') ?: ''