feat: add github actions

.github/workflows/main.yml

@@ -0,0 +1,35 @@
+name: ci
+
+on:
+  push:
+    branches:
+      - "main"
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          push: true
+          target: backend
+          tags: betagouv/compte-rendu-vif-backend:latest
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          push: true
+          target: frontend
+          tags: betagouv/compte-rendu-vif-frontend:latest

Dockerfile

@@ -1,7 +1,7 @@
 ################################
 # BASE IMAGE FOR EVERY SERVICE #
 ################################
-FROM --platform=linux/amd64  node:18 AS with-pnpm
+FROM --platform=linux/amd64  node:20-alpine AS with-pnpm
 RUN npm i -g pnpm
 
 ################################