Merge pull request #1 from traPtitech/docker

build docker image

.dockerignore

@@ -0,0 +1,8 @@
+.idea
+.dockerignore
+.gitignore
+.git
+.github
+Dockerfile
+LICENSE
+README.md

.github/workflows/main.yml

@@ -5,6 +5,10 @@ on:
     tags:
       - v*
 
+env:
+  IMAGE_REPO: traptitech/conoha_exporter
+  IMAGE_NAME: conoha-exporter
+
 jobs:
   build:
     name: Build
@@ -21,3 +25,20 @@ jobs:
       uses: goreleaser/goreleaser-action@v1
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  image:
+    name: Docker Image
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set IMAGE_TAG env
+        run: echo ::set-env name=IMAGE_TAG::$(echo ${GITHUB_REF:11})
+      - uses: actions/checkout@v2
+      - name: Login GitHub Registry
+        run: docker login docker.pkg.github.com -u traPtitech -p ${{ secrets.GITHUB_TOKEN }}
+      - name: Build Image
+        run: docker build -t docker.pkg.github.com/${IMAGE_REPO}/${IMAGE_NAME}:$IMAGE_TAG .
+      - name: Push image to GitHub Registry
+        run: docker push docker.pkg.github.com/${IMAGE_REPO}/${IMAGE_NAME}:$IMAGE_TAG
+      - name: Push image to GitHub Registry (latest)
+        run: |
+          docker tag docker.pkg.github.com/${IMAGE_REPO}/${IMAGE_NAME}:$IMAGE_TAG docker.pkg.github.com/${IMAGE_REPO}/${IMAGE_NAME}:latest
+          docker push docker.pkg.github.com/${IMAGE_REPO}/${IMAGE_NAME}:latest

Dockerfile

@@ -0,0 +1,20 @@
+FROM golang:1.14-alpine AS build
+RUN apk add --update --no-cache git
+WORKDIR /src
+COPY ./go.* ./
+RUN go mod download
+COPY . .
+RUN CGO_ENABLED=0 go build -o /conoha_exporter
+
+FROM alpine:3.11
+WORKDIR /app
+
+RUN apk add --update ca-certificates openssl && \
+    update-ca-certificates && \
+    rm -rf /var/cache/apk/*
+
+EXPOSE 9330
+
+COPY --from=build /conoha_exporter ./
+
+ENTRYPOINT ./conoha_exporter