Merge pull request #1 from themisir/master

Docker file & CI setup

.github/workflows/publish.yaml

@@ -0,0 +1,50 @@
+name: Release
+
+on:
+  create:
+    tags:
+      - v*
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-go@v2
+        with:
+          go-version: "^1.13.1"
+      - name: Build
+        run: go build -o dots-server
+      - name: Create release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: ${{ github.ref }}
+          draft: false
+          prerelease: false
+      - name: Upload release
+        id: upload_release_asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ./dots-server
+          asset_name: dots-server-linux
+          asset_content_type: application/octet-stream
+
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install buildx
+        id: buildx
+        uses: crazy-max/ghaction-docker-buildx@v1
+      - name: Login to Docker Hub
+        run: echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
+      # source: https://www.docker.com/blog/multi-arch-build-and-images-the-simple-way/
+      - name: Build the image
+        run: docker buildx build --push --tag dotsorg/dots-server:latest .

Dockerfile

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+FROM alpine AS base
+ENV PORT=80
+WORKDIR /app
+EXPOSE 80
+
+FROM golang:1.16-alpine AS deps
+WORKDIR /src
+COPY go.mod .
+COPY go.sum .
+RUN go mod download
+RUN apk update \
+ && apk add --no-cache git \
+ && apk add --no-cache ca-certificates \
+ && apk add --update gcc musl-dev \
+ && update-ca-certificates
+
+FROM deps AS build
+WORKDIR /src
+COPY . .
+RUN GOOS=linux CGO_ENABLED=1 GOARCH=amd64 go build -o /app/server
+
+FROM base AS final
+WORKDIR /app
+COPY --from=build /app/server .
+ENTRYPOINT ["/app/server"]