feat(GHA): add gha for API (#6247)

Co-authored-by: Pedro Martín <pedromarting3@gmail.com>

.github/workflows/api-build-lint-push-containers.yml

@@ -0,0 +1,81 @@
+name: API - Build and Push containers
+
+on:
+  push:
+    branches:
+      - "master"
+    paths:
+      - "api/**"
+      - ".github/workflows/api-build-lint-push-containers.yml"
+
+  # Uncomment the code below to test this action on PRs
+  # pull_request:
+  #   branches:
+  #     - "master"
+  #   paths:
+  #     - "api/**"
+  #     - ".github/workflows/api-build-lint-push-containers.yml"
+
+  release:
+    types: [published]
+
+env:
+  # Tags
+  LATEST_TAG: latest
+  RELEASE_TAG: ${{ github.event.release.tag_name }}
+
+  WORKING_DIRECTORY: ./api
+
+  # Container Registries
+  PROWLERCLOUD_DOCKERHUB_REPOSITORY: prowlercloud
+  PROWLERCLOUD_DOCKERHUB_IMAGE: prowler-api
+
+jobs:
+  # Build Prowler OSS container
+  container-build-push:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ${{ env.WORKING_DIRECTORY }}
+
+    steps:
+      - name: Repository check
+        working-directory: /tmp
+        run: |
+          [[ ${{ github.repository }} != "prowler-cloud/prowler" ]] && echo "This action only runs for prowler-cloud/prowler"; exit 0
+
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push container image (latest)
+        # Comment the following line for testing
+        if: github.event_name == 'push'
+        uses: docker/build-push-action@v6
+        with:
+          context: ${{ env.WORKING_DIRECTORY }}
+          # Set push: false for testing
+          push: true
+          tags: |
+            ${{ env.PROWLERCLOUD_DOCKERHUB_REPOSITORY }}/${{ env.PROWLERCLOUD_DOCKERHUB_IMAGE }}:${{ env.LATEST_TAG }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Build and push container image (release)
+        if: github.event_name == 'release'
+        uses: docker/build-push-action@v6
+        with:
+          context: ${{ env.WORKING_DIRECTORY }}
+          push: true
+          tags: |
+            ${{ env.PROWLERCLOUD_DOCKERHUB_REPOSITORY }}/${{ env.PROWLERCLOUD_DOCKERHUB_IMAGE }}:${{ env.RELEASE_TAG }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max