Merge pull request #5 from Snawoot/docker

Docker

.github/stale.yml

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+# Number of days of inactivity before an issue becomes stale
+daysUntilStale: 60
+# Number of days of inactivity before a stale issue is closed
+daysUntilClose: 7
+# Issues with these labels will never be considered stale
+exemptLabels:
+  - pinned
+  - security
+# Label to use when marking an issue as stale
+staleLabel: wontfix
+# Comment to post when marking an issue as stale. Set to `false` to disable
+markComment: >
+  This issue has been automatically marked as stale because it has not had
+  recent activity. It will be closed if no further activity occurs. Thank you
+  for your contributions.
+# Comment to post when closing a stale issue. Set to `false` to disable
+closeComment: false

.github/workflows/docker-ci.yml

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+name: docker-ci
+
+on:
+  push:
+    branches:
+      - 'master'
+  release:
+    types: [published]
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      -
+        name: Find Git Tag
+        id: tagger
+        uses: jimschubert/query-tag-action@v2
+        with:
+          include: 'v*'
+          exclude: '*-rc*'
+          commit-ish: 'HEAD'
+          skip-unshallow: 'true'
+          abbrev: 7
+      -
+        name: Determine image tag type
+        uses: haya14busa/action-cond@v1
+        id: imgtag
+        with:
+          cond: ${{ github.event_name == 'release' }}
+          if_true: ${{ secrets.DOCKERHUB_USERNAME }}/${{ github.event.repository.name }}:${{ github.event.release.tag_name }},${{ secrets.DOCKERHUB_USERNAME }}/${{ github.event.repository.name }}:latest
+          if_false: ${{ secrets.DOCKERHUB_USERNAME }}/${{ github.event.repository.name }}:latest
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      -
+        name: Login to DockerHub
+        uses: docker/login-action@v1 
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64,linux/386,linux/arm/v7
+          push: true
+          tags: ${{ steps.imgtag.outputs.value }}
+          build-args: 'GIT_DESC=${{steps.tagger.outputs.tag}}'

Dockerfile

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+FROM golang AS build
+
+ARG GIT_DESC=undefined
+
+WORKDIR /go/src/github.com/Snawoot/dtlspipe
+COPY . .
+RUN CGO_ENABLED=0 go build -a -tags netgo -ldflags '-s -w -extldflags "-static" -X main.version='"$GIT_DESC" ./cmd/dtlspipe
+
+FROM scratch
+COPY --from=build /go/src/github.com/Snawoot/dtlspipe/dtlspipe /
+USER 9999:9999
+ENTRYPOINT ["/dtlspipe"]