ci: attempt to build docker image in CI

.github/workflows/docker.yml

@@ -0,0 +1,32 @@
+name: docker
+on:
+    push:
+      branches:
+        - main
+
+env:
+  GO_VERSION: '1.21.3'
+
+jobs:
+  docker-build:
+    name: docker-build
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+    - name: Check out repository
+      uses: actions/checkout@v4
+    - name: Login to Scaleway container registry
+      run: docker login rg.fr-par.scw.cloud/supply -u nologin -p ${{ secrets.SCALEWAY_API_SECRET_KEY }}
+    # - name: Log in to DockerHub
+    #   uses: docker/login-action@v1
+    #   with:
+    #     username: ${{ secrets.DOCKERHUB_USERNAME }}
+    #     password: ${{ secrets.DOCKERHUB_PASSWORD }}
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v1
+    - name: Run make docker-build
+      run: make docker-build
+    - name: Run make docker-tag
+      run: make docker-tag
+    - name: Run make docker-push
+      run: make docker-push

Makefile

@@ -25,3 +25,13 @@ build:
 docker-build:
 	@echo "--> Building the docker image"
 	@docker build . --tag "celestiaorg/supply:latest"
+
+## docker-tag: Tags the docker image so that it can be pushed to Scaleway.
+docker-tag:
+	@echo "--> Tagging the docker image so that it can be pushed to Scaleway"
+	@docker tag celestiaorg/supply rg.fr-par.scw.cloud/supply/supply:latest
+
+## docker-push: Pushes the docker image to Scaleway.
+docker-push:
+	@echo "--> Pushing the docker image"
+	@docker push rg.fr-par.scw.cloud/supply/supply:latest