Init workflow

.github/workflows/build-container.yml

@@ -0,0 +1,31 @@
+---
+name: Build container
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+jobs:
+  build-dev-container:
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write  # to write in the Github package registry
+    steps:
+      - name: Checkout khiops-server sources
+        uses: actions/checkout@v3
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Login to Github Packages
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build image and push to GitHub Container Registry
+        uses: docker/build-push-action@v2
+        with:
+          file: ./Dockerfile
+          tags: ghcr.io/khiopsml/khiops-server/server:latest
+          push: true
+      - name: Display the image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}
+