Github action for docker image deploy (#8)

* Github action for docker image deploy

Dytter opp code-server-image til dockerhub ved commits til main og ved ny release

* hadolint fix

.github/workflows/docker.yml

@@ -0,0 +1,47 @@
+name: Publish Docker image
+on:
+  release:
+    types: [published]
+  push:
+    branches:
+        - main
+  pull_request:
+    branches:
+        - main
+
+jobs:
+  push_to_registries:
+    name: Push Docker image to docker hub
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v3.6.0
+      - name: Lint Dockerfile
+        uses: hadolint/hadolint-action@v3.1.0
+        with:
+          dockerfile: "code-server/Dockerfile"
+      - name: Prepare tags
+        id: docker_meta
+        uses: docker/metadata-action@v4.6.0
+        with:
+          images: hnskde/imongr
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2.10.0
+      - name: Login to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v2.2.0
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and push to Docker Hub
+        uses: docker/build-push-action@v4.1.1
+        with:
+          context: .
+          file: ./code-server/Dockerfile
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          labels: ${{ steps.docker_meta.outputs.labels }}

code-server/Dockerfile

@@ -48,7 +48,7 @@ RUN touch /home/coder/.Renviron \
     && R -e "install.packages(c('remotes', 'devtools', 'tinytex', 'languageserver'), lib = '/home/coder/R/library')" \
     && R -e "remotes::install_github('Rapporteket/rapbase@*release', lib = '/home/coder/R/library')" \
     && R -e "tinytex::install_tinytex()" \
-    && export PATH=~/bin:$PATH \
+    && export PATH="$HOME/bin:$PATH" \
     && tlmgr update --self --all \
     && tlmgr install \
         amsmath \