ci: push image ghcr

.github/workflows/push-docker-image.yaml

@@ -0,0 +1,48 @@
+name: Docker
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 9 * * *'
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - '**/LICENSE'
+      - '**/*.md'
+  pull_request:
+    paths-ignore:
+      - '**/LICENSE'
+      - '**/*.md'
+
+env:
+  DOCKER-CONTEXT: ./
+  DOCKER-FILE: ./Dockerfile
+
+jobs:
+  docker:
+    name: Build & Push Docker Image
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v3
+        with:
+          context: ${{ env.DOCKER-CONTEXT }}
+          file: ${{ env.DOCKER-FILE }}
+          tags: ghcr.io/${{ github.repository_owner }}/trainee:humble
+          build-args: USERNAME=runner
+          no-cache: true
+          push: true