我有一个使用Golang编写的项目,已经构建并放入了scratch
镜像中:
# Build binary
FROM golang:1.17-alpine AS build-env
ADD . /app
WORKDIR /app
RUN env CGO_ENABLED=0 go build -ldflags="-s -w" -o myapp ./cmd/myapp/main.go
# Create image
FROM scratch
COPY --from=build-env /app/myapp /
ENTRYPOINT ["/myapp"]
由于Golang允许跨多个架构进行交叉编译(而且比在模拟环境中构建要快得多),我想做类似于以下的操作:
# Build binary
FROM golang:1.17-alpine AS build-env
ADD . /app
WORKDIR /app
RUN env CGO_ENABLED=0 GOOS=linux GOARCH=386 go build -ldflags="-s -w" -o myapp_linux_i386 ./cmd/myapp/main.go # Linux 32bit
RUN env CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-s -w" -o myapp_linux_x86_64 ./cmd/myapp/main.go # Linux 64bit
RUN env CGO_ENABLED=0 GOOS=linux GOARCH=arm GOARM=5 go build -ldflags="-s -w" -o myapp_linux_arm ./cmd/myapp/main.go # Linux armv5/armel/arm (it also works on armv6)
RUN env CGO_ENABLED=0 GOOS=linux GOARCH=arm GOARM=7 go build -ldflags="-s -w" -o myapp_linux_armhf ./cmd/myapp/main.go # Linux armv7/armhf
RUN env CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -ldflags="-s -w" -o myapp_linux_aarch64 ./cmd/myapp/main.go # Linux armv8/aarch64
RUN env CGO_ENABLED=0 GOOS=freebsd GOARCH=amd64 go build -ldflags="-s -w" -o myapp_freebsd_x86_64 ./cmd/myapp/main.go # FreeBSD 64bit
RUN env CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build -ldflags="-s -w" -o myapp_darwin_x86_64 ./cmd/myapp/main.go # Darwin 64bit
RUN env CGO_ENABLED=0 GOOS=darwin GOARCH=arm64 go build -ldflags="-s -w" -o myapp_darwin_aarch64 ./cmd/myapp/main.go # Darwin armv8/aarch64
RUN env CGO_ENABLED=0 GOOS=windows GOARCH=386 go build -ldflags="-s -w" -o myapp_windows_i386.exe ./cmd/myapp/main.go # Windows 32bit
RUN env CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build -ldflags="-s -w" -o myapp_windows_x86_64.exe ./cmd/myapp/main.go # Windows 64bit
那么我如何创建和推送多架构的Docker镜像呢?
# Create image
...