deploy with dockerhub

.github/workflows/go.yml

@@ -3,17 +3,28 @@
 
 name: Go
 
+env:
+    CONTEXT_DIR: './'
+    IMAGE_NAME: ${{ github.repository }}/backend
+    DOCKERFILE: backend.Dockerfile
+    CAPROVER_APP: concise
+    DOCKER_REGISTRY: ghcr.io
+
 on:
   push:
     tags:
       - 'bv[0-9]+.[0-9]+.[0-9]+'
 
 jobs:
 
-  build:
+  build-and-publish:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
+    - run: |
+        echo "IMAGE_NAME_WITH_REGISTRY=$DOCKER_REGISTRY/$IMAGE_NAME" >> $GITHUB_ENV
+        export IMAGE_NAME_WITH_REGISTRY=$DOCKER_REGISTRY/$IMAGE_NAME
+        echo "FULL_IMAGE_NAME=$IMAGE_NAME_WITH_REGISTRY:$GITHUB_SHA-gitsha" >> $GITHUB_ENV
 
     - name: Set up Go
       uses: actions/setup-go@v3
@@ -27,20 +38,22 @@ jobs:
         go build -v ./...
         go test -v ./...
 
-    - uses: a7ul/tar-action@v1.1.0
+    - name: Log in to the Container registry
+      uses: docker/login-action@v2
       with:
-        command: c
-        cwd: "./"
-        files: |
-          ./backend
-          ./backend/captain-definition
-          ./backend/Dockerfile
-        outPath: deploy.tar
+          registry: ${{ env.DOCKER_REGISTRY }}
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+    - name: Build and Push Release to DockerHub
+      shell: bash
+      run: ./build_and_push.sh
 
     - name: Deploy App to CapRover
       uses: caprover/deploy-from-github@v1.0.1
       with:
         server: '${{ secrets.CAPROVER_SERVER }}'
         app: '${{ secrets.APP_NAME }}'
         token: '${{ secrets.APP_TOKEN }}'
+        image: '${{ env.FULL_IMAGE_NAME }}'
 

backend/Dockerfile → backend.Dockerfile

@@ -4,12 +4,12 @@ FROM golang:1.19-alpine
 # install dependencies
 RUN mkdir -p /app
 WORKDIR /app
-COPY ./go.mod /app
-COPY ./go.sum /app
+COPY ./backend/go.mod /app
+COPY ./backend/go.sum /app
 RUN go mod download
 
 # Copy all local files into the image.
-COPY ./ /app
+COPY ./backend /app
 
 RUN go build -o /backend
 

build_and_push.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -e
+
+cd $CONTEXT_DIR
+rm /tmp/build_args || echo OK
+env >/tmp/build_args
+echo "--build-arg \""$(cat /tmp/build_args | sed -z 's/\n/" --build-arg "/g')"IGNORE_VAR=IGNORE_VAR\"" >/tmp/build_args
+BUILD_ARGS=$(cat /tmp/build_args)
+COMMAND="docker build -t $FULL_IMAGE_NAME -t $IMAGE_NAME_WITH_REGISTRY:latest -f $DOCKERFILE $BUILD_ARGS --no-cache ."
+/bin/bash -c "$COMMAND"
+docker push $IMAGE_NAME_WITH_REGISTRY:latest
+docker push $FULL_IMAGE_NAME
+rm /tmp/build_args