feat: ci for docker

Author: davideimola

.github/workflows/ci.yml

@@ -0,0 +1,49 @@
+name: CI
+
+on:
+    push:
+        branches:
+            - 'main'
+
+jobs:
+    docker:
+        runs-on: ubuntu-latest
+        steps:
+            - name: Checkout
+              uses: actions/checkout@v3
+            - name: Get Vars
+              id: get_vars
+              run: |
+                echo "ts=$(date +%s)" >> $GITHUB_OUTPUT
+                echo "sha=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
+                echo "branch=$(git rev-parse --abbrev-ref HEAD)" >> $GITHUB_OUTPUT
+            - name: Docker meta
+              id: docker_meta
+              uses: crazy-max/ghaction-docker-meta@v1
+              with:
+                images: |
+                    ghcr.io/${{ github.repository }}/api
+                tag-sha: true
+                tag-semver: |
+                    {{version}}
+                    {{major}}.{{minor}}
+                tag-custom: |
+                    ${{ steps.get_vars.outputs.branch }}-${{ steps.get_vars.outputs.sha }}-${{ steps.get_vars.outputs.ts }}
+            - name: Set up Docker Buildx
+              uses: docker/setup-buildx-action@v1
+            - name: Login to Digital Ocean Container Registry
+              uses: docker/login-action@v1
+              with:
+                registry: ghcr.io
+                username: ${{ github.actor }}
+                password: ${{ secrets.GITHUB_TOKEN }}
+            - name: Build and push
+              id: docker_build
+              uses: docker/build-push-action@v4
+              with:
+                context: ./src/ign-api
+                push: true
+                tags: ${{ steps.docker_meta.outputs.tags }}
+                labels: ${{ steps.docker_mata.outputs.labels }}
+            - name: Image digest
+              run: echo ${{ steps.docker_build.outputs.digest }}