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Merge pull request #3 from mrjvs/main
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jonbarrow authored Jul 27, 2024
2 parents d35fc99 + 7f57faf commit 9c8a44e
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56 changes: 56 additions & 0 deletions .github/workflows/docker.yml
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name: Build and Publish Docker Image

on:
push:
pull_request:
workflow_dispatch:

env:
REGISTRY: ghcr.io
IMAGE_NAME: ${{ github.repository }}

jobs:
build-publish:
env:
SHOULD_PUSH_IMAGE: ${{ (github.event_name == 'push' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/dev')) || github.event_name == 'workflow_dispatch' }}
runs-on: ubuntu-latest

permissions:
contents: read
packages: write

steps:
- name: Set up QEMU for Docker
uses: docker/setup-qemu-action@v3

- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3

- name: Log into the container registry
if: ${{ env.SHOULD_PUSH_IMAGE == 'true' }}
uses: docker/login-action@v3
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}

- name: Extract Docker metadata
id: meta
uses: docker/metadata-action@v5
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
tags: |
type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}
type=raw,value=edge,enable=${{ github.ref == 'refs/heads/dev' }}
type=sha
- name: Build and push Docker image
id: build-and-push
uses: docker/build-push-action@v6
with:
platforms: linux/amd64,linux/arm64
push: ${{ env.SHOULD_PUSH_IMAGE }}
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
cache-from: type=gha
cache-to: type=gha,mode=max
36 changes: 36 additions & 0 deletions Dockerfile
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# syntax=docker/dockerfile:1

ARG app_dir="/home/go/app"


# * Building the application
FROM golang:1.22-alpine3.20 AS build
ARG app_dir

WORKDIR ${app_dir}

RUN --mount=type=cache,target=/go/pkg/mod/ \
--mount=type=bind,source=go.sum,target=go.sum \
--mount=type=bind,source=go.mod,target=go.mod \
go mod download -x

COPY . .
ARG BUILD_STRING=pretendo.tfh.docker
RUN --mount=type=cache,target=/go/pkg/mod/ \
CGO_ENABLED=0 go build -ldflags "-X 'main.serverBuildString=${BUILD_STRING}'" -v -o ${app_dir}/build/server


# * Running the final application
FROM alpine:3.20 AS final
ARG app_dir
WORKDIR ${app_dir}

RUN addgroup go && adduser -D -G go go

RUN mkdir -p ${app_dir}/log && chown go:go ${app_dir}/log

USER go

COPY --from=build ${app_dir}/build/server ${app_dir}/server

CMD [ "./server" ]

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