feat: automatic tagging system

.github/workflows/action.yml

@@ -1,13 +1,22 @@
-name: Build Java App
+name: Build and Push Docker Image
 
 on:
+  workflow_dispatch:
+    inputs:
+      MANUAL_TAG:
+        description: 'Optional manual tag to override versioning'
+        required: false
+        default: ''
   push:
     branches:
       - develop
   pull_request:
     branches:
       - develop
 
+permissions:
+  contents: write
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -21,13 +30,65 @@ jobs:
       - name: Checkout source code
         uses: actions/checkout@v3
 
+      - name: Get the last Git tag
+        id: get_last_tag
+        run: |
+          git fetch --tags --force
+          LAST_TAG=$(git tag --sort=-creatordate | head -n 1)
+          if [ -z "$LAST_TAG" ]; then
+          LAST_TAG="0.0.0"
+          fi
+          echo "LAST_TAG=${LAST_TAG}" >> $GITHUB_ENV
+
+      - name: Calculate new version
+        id: calculate_version
+        run: |
+          LAST_TAG=${{ env.LAST_TAG }}
+          IFS='.' read -r MAJOR MINOR PATCH <<< "$LAST_TAG"
+
+          if [[ "${{ github.event_name }}" == "pull_request" ]]; then
+            PATCH=$((PATCH + 1))
+          else
+            MINOR=$((MINOR + 1))
+            PATCH=0
+          fi
+
+          NEW_VERSION="${MAJOR}.${MINOR}.${PATCH}"
+
+          if [[ "${{ github.event.inputs.MANUAL_TAG }}" != "" ]]; then
+            NEW_VERSION="${{ github.event.inputs.MANUAL_TAG}}"
+          fi
+          echo "NEW_VERSION=${NEW_VERSION}" >> $GITHUB_ENV
+
       - name: Build and push API image
         run: |
-          DOCKER_TAG=$(date +%Y%m%d%H%M%S)
 
-          IMAGE="${NEXUS_DOCKER_URL}/${DOCKER_API_NAME}:${DOCKER_TAG}"
+          IMAGE="${NEXUS_DOCKER_URL}/${DOCKER_API_NAME}:${NEW_VERSION}"
           docker build -f Dockerfile -t $IMAGE .
 
           echo "${NEXUS_PASSWORD}" | docker login "${NEXUS_DOCKER_URL}" -u "${NEXUS_USERNAME}" --password-stdin
           docker push $IMAGE
-          docker logout "${NEXUS_DOCKER_URL}"
+          docker logout "${NEXUS_DOCKER_URL}"
+
+      - name: Set up SSH for CI
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.DEPLOY_KEY }}" > ~/.ssh/id_ed25519
+          chmod 600 ~/.ssh/id_ed25519
+          ssh-keyscan github.com >> ~/.ssh/known_hosts
+
+      - name: Create and push Git tag
+        if: github.event_name != 'pull_request'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          git config user.name "GitHub Actions"
+          git config user.email "actions@github.com"
+          git tag -a "${NEW_VERSION}" -m "Release ${NEW_VERSION}"
+          git push origin "${NEW_VERSION}" --no-verify
+
+      - name: Remove SSH keys
+        run: rm -rf ~/.ssh
+
+      - name: Output new version
+        run: echo "New version is ${{ env.NEW_VERSION }}"