feat: push commit to ghcr, keep clean dockerhub release

.github/workflows/docker.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - main
+      - '1.*'
     tags:
       - '*'
 
@@ -27,9 +28,9 @@ jobs:
     - name: "Build gateway"
       run: make install test
 
-    - name: "Resolve docker image tag"
+    - name: Getting image tag
       id: version
-      run: echo ::set-output name=VERSION::$(./mvnw -f gateway/ help:evaluate -q -DforceStdout -Dexpression=imageTag)
+      run: echo ::set-output name=VERSION::$(echo $GITHUB_REF | cut -d / -f 3)
 
     - name: "Build docker image"
       if: github.repository == 'georchestra/georchestra-gateway'
@@ -46,6 +47,11 @@ jobs:
       if: github.ref == 'refs/heads/main' && github.repository == 'georchestra/georchestra-gateway'
       run: docker push georchestra/gateway:latest
 
+    - name: "Pushing release branch to docker.io"
+      if: contains(github.ref, 'refs/heads/1.') && github.repository == 'georchestra/georchestra-gateway' && github.actor != 'dependabot[bot]' && github.event_name != 'pull_request'
+      run: |
+        docker push georchestra/gateway:${{ steps.version.outputs.VERSION }}
+
     - name: "Push tagged image to docker.io"
       if: github.ref_type == 'tag' && github.ref != 'refs/heads/main' && github.repository == 'georchestra/georchestra-gateway'
       run: docker push georchestra/gateway:${{ steps.version.outputs.VERSION }}
@@ -60,11 +66,19 @@ jobs:
         readme-filepath: ./DOCKER_HUB.md
         short-description: 'Gateway module for the geOrchestra SDI'
 
-    - name: "Push image attached to commit id to docker.io"
+    - name: Login to GitHub Container Registry
+      if: github.ref == 'refs/heads/main' && github.repository == 'georchestra/georchestra-gateway'
+      uses: docker/login-action@v1
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: "Push image attached to commit id to ghcr.io"
       if: github.ref == 'refs/heads/main' && github.repository == 'georchestra/georchestra-gateway'
       run: |
-        docker tag georchestra/gateway:latest georchestra/gateway:commit-${{ github.sha }}
-        docker push georchestra/gateway:commit-${{ github.sha }}
+        docker tag georchestra/gateway:latest ghcr.io/georchestra/georchestra-gateway/gateway:commit-${{ github.sha }}
+        docker push ghcr.io/georchestra/georchestra-gateway/gateway:commit-${{ github.sha }}
 
     - name: "Remove SNAPSHOT jars from repository"
       run: |

DOCKER_HUB.md

@@ -8,7 +8,7 @@
 
 # Featured tags
 
-- `latest`, `1.0.0`
+- `latest`, `1.0.x`, `1.0.0`
 
 # Quick reference