feat: add reusable workflow to create a release

.github/workflows/build-images.reusable.yaml

@@ -1,18 +1,18 @@
-name: Build and Push Images
+name: Build and Push Docker Image
 
 on:
   workflow_call:
     inputs:
-      api_image_tags:
+      directory:
         required: true
         type: string
-      client_image_tags:
+      image_tags:
         required: true
         type: string
 
 jobs:
-  build-and-push-images:
-    name: Build and Push Docker Images
+  build-and-push-image:
+    name: Build and Push Docker Image
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
@@ -32,20 +32,11 @@ jobs:
           username: ${{ secrets.IOTALEDGER_DOCKER_USERNAME }}
           password: ${{ secrets.IOTALEDGER_DOCKER_PASSWORD }}
 
-      - name: Build and push API Docker image
+      - name: Build and push Docker image for ${{ inputs.directory }}
         uses: docker/build-push-action@v2
         with:
-          context: ./api
-          file: ./api/Dockerfile
+          context: ./${{ inputs.directory }}
+          file: ./${{ inputs.directory }}/Dockerfile
           push: true
-          tags: ${{ inputs.api_image_tags }}
-          no-cache: true
-
-      - name: Build and push Client Docker image
-        uses: docker/build-push-action@v2
-        with:
-          context: ./client
-          file: ./client/Dockerfile
-          push: true
-          tags: ${{ inputs.client_image_tags }}
+          tags: ${{ inputs.image_tags }}
           no-cache: true

.github/workflows/create-draft-release.reusable.yaml

@@ -0,0 +1,75 @@
+name: Create Draft Release
+
+on:
+  workflow_call:
+    inputs:
+      name:
+        required: true
+        type: string
+      version_tag:
+        required: true
+        type: string
+
+jobs:
+  github_draft_release:
+    name: Create Draft Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Prepare repository tags
+        run: |
+          if git rev-parse --is-shallow-repository | grep -q 'true'; then
+            git fetch --prune --unshallow --tags -f
+          else
+            git fetch --prune --tags -f
+          fi
+
+      - name: Build changelog
+        id: build_changelog
+        run: |
+          echo "Building changelog..."
+
+          # Create a changelog file with a header:
+          echo "# Changelog" > CHANGELOG.md
+
+          # Check repository tags and the last tagged commit
+          n_tags=`git tag -l 'v*' --sort=-v:refname | wc -l`
+          prev_tag=`git tag -l 'v*' --sort=-v:refname | sed '2q;d'`
+          if [ $n_tags -eq 1 ]; then
+            last_commit=`git rev-list --max-parents=0 HEAD`
+          else
+            last_commit=`git rev-list -n 1 $prev_tag`
+          fi
+
+          # Fill the changelog file with the commits since the last tag
+          # Set max tries to equal the maximum number of commits as protection
+          max_tries=`git rev-list --count HEAD`
+          i=0
+          while [ `git rev-parse HEAD~$i` != $last_commit ] && [ $i -lt $((max_tries-1)) ]
+          do
+            echo '- ' `git show -s --format=%s HEAD~$i` >> CHANGELOG.md
+            i=$((i+1))
+          done
+
+          # Set the complete changelog url
+          echo >> CHANGELOG.md
+          compare=""
+          if [ $n_tags -eq 1 ]; then
+            compare=$last_commit
+          else
+            compare=$prev_tag
+          fi
+          compare="${compare}...`git tag -l 'v*' --sort=-v:refname | sed '1q;d'`"
+          echo "**Full Changelog**: https://github.com/${{ github.repository }}/compare/${compare}" >> CHANGELOG.md
+
+          echo "Changelog built successfully."
+
+      - name: Create Draft Release
+        uses: softprops/action-gh-release@v1
+        with:
+            name: ${{ inputs.name }}
+            tag_name: ${{ inputs.version_tag }}
+            draft: true
+            body_path: CHANGELOG.md

.github/workflows/release-production.yaml

@@ -19,17 +19,17 @@ jobs:
           echo "VERSION_TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
 
   use-reusable-workflow:
+    strategy:
+      matrix:
+        directory: [api, client]
     name: Build Images
     needs: set_tags
     uses: ./.github/workflows/build-images.reusable.yaml
     with:
-      api_image_tags: |
-        iotaledger/explorer-api:${{ needs.set_tags.outputs.version_tag }}
-        iotaledger/explorer-api:latest
-
-      client_image_tags: |
-        iotaledger/explorer-client:${{ needs.set_tags.outputs.version_tag }}
-        iotaledger/explorer-client:latest
+      directory: ${{ matrix.directory }}
+      image_tags: |
+        iotaledger/explorer-${{ matrix.directory }}:${{ needs.set_tags.outputs.version_tag }}
+        iotaledger/explorer-${{ matrix.directory }}:latest
     secrets: inherit
 
   deploy_to_server:
@@ -48,3 +48,11 @@ jobs:
       - name: Deploy to Server
         run: |
           ssh -o StrictHostKeyChecking=no updater@${{ secrets.EXPLORER_GATEWAY }} "${{ matrix.environment }} ${{ needs.set_tags.outputs.version_tag }}"
+
+  create_draft_release:
+    name: Create Draft Release
+    needs: [set_tags, use-reusable-workflow, deploy_to_server]
+    uses: ./.github/workflows/create-draft-release.reusable.yaml
+    with:
+      name: Explorer ${{ needs.set_tags.outputs.version_tag }}
+      version_tag: ${{ needs.set_tags.outputs.version_tag }}

.github/workflows/release-staging.yaml

@@ -33,14 +33,16 @@ jobs:
           fi
 
   use-reusable-workflow:
-    name: Build Images
+    strategy:
+      matrix:
+        directory: [api, client]
+    name: Build Image
     needs: set_tags
     uses: ./.github/workflows/build-images.reusable.yaml
     with:
-      api_image_tags: |
-        iotaledger/explorer-api:${{ needs.set_tags.outputs.version_tag }}
-      client_image_tags: |
-        iotaledger/explorer-client:${{ needs.set_tags.outputs.version_tag }}
+      directory: ${{ matrix.directory }}
+      image_tags: |
+        iotaledger/explorer-${{ matrix.directory }}:${{ needs.set_tags.outputs.version_tag }}
     secrets: inherit
 
   deploy_to_server:
@@ -59,3 +61,11 @@ jobs:
       - name: Deploy to Server
         run: |
           ssh -o StrictHostKeyChecking=no updater@${{ secrets.EXPLORER_GATEWAY }} "${{ matrix.environment }} ${{ needs.set_tags.outputs.version_tag }}"
+
+  create_draft_release:
+    name: Create Draft Release
+    needs: [set_tags, use-reusable-workflow, deploy_to_server]
+    uses: ./.github/workflows/create-draft-release.reusable.yaml
+    with:
+      name: Explorer ${{ needs.set_tags.outputs.version_tag }}
+      version_tag: ${{ needs.set_tags.outputs.version_tag }}