chore: pre-build images for amd64 and arm64

.github/workflows/main.yml

@@ -10,20 +10,12 @@ jobs:
   build_and_test:
     name: Build and test
     runs-on: ubuntu-latest
-    env:
-      GOPATH: ${{ github.workspace }}
-    defaults:
-      run:
-        working-directory: ${{ env.GOPATH }}/src/github.com/${{ github.repository }}
     steps:
       - uses: actions/checkout@v3
-        with:
-          path: ${{ env.GOPATH }}/src/github.com/${{ github.repository }}
-
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: 1.20.x
+          go-version: 1.21.x
 
       - name: Install dependencies
         run: go mod download
@@ -36,7 +28,7 @@ jobs:
 
   build_docker:
     if: startsWith(github.event.ref, 'refs/tags/v')
-    name: Build and publish docker image
+    name: Build and publish docker images
     needs: build_and_test
     runs-on: ubuntu-latest
     permissions:
@@ -59,13 +51,20 @@ jobs:
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
-            ${{ github.ref_name }}
-            latest
+            type=semver,pattern=v{{version}}
+            type=semver,pattern=v{{major}}.{{minor}}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
 
       - name: Build and push Docker image
         uses: docker/build-push-action@v5
         with:
-          context: .
           push: true
+          provenance: false
           tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
+          labels: ${{ steps.meta.outputs.labels }}
+          platforms: linux/amd64,linux/arm64

Dockerfile

@@ -1,12 +1,15 @@
-FROM golang:1.20-alpine AS build
+FROM --platform=$BUILDPLATFORM golang:1.20-alpine AS build
+
+ARG TARGETOS
+ARG TARGETARCH
 
 WORKDIR /app
 
 COPY go.mod go.sum ./
 RUN go mod download
 
 COPY . .
-RUN go build
+RUN GOOS=$TARGETOS GOARCH=$TARGETARCH go build
 
 FROM alpine:3.18
 

README.md

@@ -25,6 +25,7 @@ It also requires you to specify a list of known-users, simplifying it greatly as
 ### Usage
 
 First, create a [.env](.env.example) and specify the initial usernames and passwords for access.
+Make sure to fill out `GENESIS_JWT_SECRET` with a secure, random string, for that you can use `openssl rand -hex 32`.
 You can specify the remaining values, but the defaults are good for medium-sized projects such as [ocular](https://github.com/Simonwep/ocular).
 
 Second, start the server via `go run .`. That's it.
@@ -34,15 +35,13 @@ The `json` is pre-processed by the [minify](https://github.com/tdewolff/minify)
 
 #### Using docker
 
-This API can also be deployed by using docker.
-For this you can build and run the container using the following command:
+You can run genesis using [docker](https://www.docker.com/products/docker-desktop/) by using pre-build images:
 
 ```sh
-docker build -t genesis .
-docker run -p 8088:8080 -v "$(pwd)/.data:/app/.data" --env-file .env genesis
+docker run -p 8080:8080 -v "$(pwd)/.data:/app/.data" --env-file .env ghcr.io/simonwep/genesis:latest
 ```
 
-Genesis should then be accessible under port `8088`.
+Genesis should then be accessible under port `8080`.
 
 ### API