chore: add github action ci for docker image builds (#2)

.github/workflows/build.yaml

@@ -0,0 +1,65 @@
+name: CI
+on:
+  push:
+    branches:
+      - master
+    tags:
+        - '**'
+  pull_request:
+
+jobs:
+  build:
+    runs-on: [ubuntu-latest]
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+
+      - name: Set tag & repo name for PR builds
+        if: ${{ !contains(fromJson('["refs/heads/master" ]'), github.ref) }}
+        run: |
+          echo "IMAGE_TAG=PR-${{ github.event.number }}" >> $GITHUB_ENV
+          echo "REPO=deepsource-dev" >> $GITHUB_ENV
+
+      - name: Set tag & repo name for master builds
+        if: contains(fromJson('["refs/heads/master"]'), github.ref)
+        run: |
+          echo "IMAGE_TAG=master" >> $GITHUB_ENV
+          echo "REPO=deepsource-dev" >> $GITHUB_ENV
+
+      - name: Set tag & repo name for releases
+        if: startsWith(github.event.ref, 'refs/tags/v')
+        run: |
+          echo "IMAGE_TAG=${{ github.ref_name }}" >> $GITHUB_ENV
+          echo "REPO=deepsource-production" >> $GITHUB_ENV
+      
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Authenticate to Google Cloud Development
+        if: ${{ !startsWith(github.event.ref, 'refs/tags/v') }}
+        uses: "google-github-actions/auth@v1"
+        with:
+          credentials_json: "${{ secrets.DS_GHA_SA_DEV }}"
+
+      - name: Authenticate to Google Cloud Production
+        if: startsWith(github.event.ref, 'refs/tags/v')
+        uses: "google-github-actions/auth@v1"
+        with:
+          credentials_json: "${{ secrets.DS_GHA_SA_PROD }}"
+
+      - name: Set up Cloud SDK
+        uses: "google-github-actions/setup-gcloud@v1"
+
+      - name: Configure docker for gcr
+        run: |
+          gcloud auth configure-docker
+    
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: true
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          tags: us.gcr.io/${{ env.REPO }}/runner:${{ env.IMAGE_TAG }}

.gitignore

@@ -1,8 +1,6 @@
 bin/**
 **/config.yaml
 
-go.sum
-
 # Others
 .DS_Store
 .vscode/**

Dockerfile

@@ -2,10 +2,6 @@ FROM golang:1.20.4-alpine3.17 AS builder
 
 RUN apk add --no-cache git openssh-client gcc libc-dev
 
-# Setup SSH for private repo clone
-COPY ./.ssh /root/.ssh
-RUN git config --global url.git@github.com:.insteadOf https://github.com/
-
 WORKDIR /app
 
 COPY go.mod go.sum ./