ci: update release workflows

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

@@ -0,0 +1,42 @@
+name: Build and Push Docker Image
+
+on:
+  workflow_call:
+    inputs:
+      directory:
+        required: true
+        type: string
+      image_tags:
+        required: true
+        type: string
+
+jobs:
+  build-and-push-image:
+    name: Build and Push Docker Image
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: "16"
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.IOTALEDGER_DOCKER_USERNAME }}
+          password: ${{ secrets.IOTALEDGER_DOCKER_PASSWORD }}
+
+      - name: Build and push Docker image for ${{ inputs.directory }}
+        uses: docker/build-push-action@v2
+        with:
+          context: ./${{ inputs.directory }}
+          file: ./${{ inputs.directory }}/Dockerfile
+          push: true
+          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

@@ -0,0 +1,58 @@
+name: Release Explorer to Production
+
+on:
+  push:
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+"
+      - "!v[0-9]+.[0-9]+.[0-9]+-rc.[0-9]+"
+
+jobs:
+  set_tags:
+    name: Set Tags
+    runs-on: ubuntu-latest
+    outputs:
+      version_tag: ${{ steps.set_version_tag.outputs.version_tag }}
+    steps:
+      - name: Set up the version tag for docker images
+        id: set_version_tag
+        run: |
+          echo "VERSION_TAG=${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:
+      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:
+    name: Deploy Production to Server
+    needs: [set_tags, use-reusable-workflow]
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        environment: [prod, shimmer-prod]
+    steps:
+      - name: Add SSH key
+        uses: webfactory/[email protected]
+        with:
+          ssh-private-key: ${{ secrets.UPDATER_SSH_PRIVATE_KEY }}
+
+      - name: Deploy to Server
+        run: |
+          ssh -o StrictHostKeyChecking=no updater@${{ 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

@@ -0,0 +1,71 @@
+name: Release Explorer to Staging
+
+on:
+  push:
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+-rc.[0-9]+" # Versioning pattern 'v1.0.0-rc.0'
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: "Tag"
+        required: true
+        default: "v1.0.0-rc.0"
+
+jobs:
+  set_tags:
+    name: Set Tags
+    runs-on: ubuntu-latest
+    outputs:
+      version_tag: ${{ steps.set_version_tag.outputs.version_tag }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      # If the workflow was triggered by a tag, use the tag as the version.
+      # Otherwise, use the tag from the workflow_dispatch event.
+      - name: Set up the version tag for docker images
+        id: set_version_tag
+        run: |
+          if [ "${{ github.event_name }}" = "push" ]; then
+            echo "VERSION_TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
+          elif [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
+            echo "VERSION_TAG=${{ github.event.inputs.tag }}" >> $GITHUB_OUTPUT
+          fi
+
+  use-reusable-workflow:
+    strategy:
+      matrix:
+        directory: [api, client]
+    name: Build Image
+    needs: set_tags
+    uses: ./.github/workflows/build-images.reusable.yaml
+    with:
+      directory: ${{ matrix.directory }}
+      image_tags: |
+        iotaledger/explorer-${{ matrix.directory }}:${{ needs.set_tags.outputs.version_tag }}
+    secrets: inherit
+
+  deploy_to_server:
+    name: Deploy Staging to Server
+    needs: [set_tags, use-reusable-workflow]
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        environment: [staging, shimmer-staging]
+    steps:
+      - name: Add SSH key
+        uses: webfactory/[email protected]
+        with:
+          ssh-private-key: ${{ secrets.UPDATER_SSH_PRIVATE_KEY }}
+
+      - name: Deploy to Server
+        run: |
+          ssh -o StrictHostKeyChecking=no updater@${{ 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 }}