Skip to content

Multi Stage Build

Dockerfile
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
FROM public.ecr.aws/docker/library/golang:1.20.3-alpine3.17 as builder

WORKDIR /tmp/tiny-golang-image
COPY ./main.go ./

RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -ldflags '-s -w' -o main main.go

FROM public.ecr.aws/docker/library/alpine:3.17.3

ENV USER_NAME main
ENV USER_UID 1000

ENV GROUP_NAME main
ENV GROUP_GID 1000

ENV WORKDIR /app

WORKDIR $WORKDIR

RUN apk add --no-cache tini=~0.19.0 && \
    addgroup -g $GROUP_GID $GROUP_NAME && \
    adduser -D -u $USER_UID -G $GROUP_NAME $USER_NAME && \
    chown -R $USER_NAME:$GROUP_NAME . && \
    apk add --no-cache curl=~8.0.1 && \
    curl --version

USER $USER_NAME

COPY --from=builder --chown=main:main --chmod=755 /tmp/tiny-golang-image/main ./

ENTRYPOINT [ "/sbin/tini", "--", "./main" ]

export DOCKER_BUILDKIT=1
wget https://github.com/docker/buildx/releases/download/v0.11.2/buildx-v0.11.2.linux-amd64
mkdir -p ~/.docker/cli-plugins
mv buildx-v0.11.2.linux-amd64 ~/.docker/cli-plugins/docker-buildx
chmod a+x ~/.docker/cli-plugins/docker-buildx
docker run --privileged --rm ghcr.io/marcus16-kang/binfmt:latest --install all
docker buildx create --use --driver docker-container --driver-opt image=ghcr.io/marcus16-kang/buildkit:latest
docker buildx build --platform linux/amd64,linux/arm64 --tag <REPO>:<TAG> --push .

export DOCKER_BUILDKIT=1
wget https://github.com/docker/buildx/releases/download/v0.11.2/buildx-v0.11.2.linux-arm64
mkdir -p ~/.docker/cli-plugins
mv buildx-v0.11.2.linux-arm64 ~/.docker/cli-plugins/docker-buildx
chmod a+x ~/.docker/cli-plugins/docker-buildx
docker run --privileged --rm ghcr.io/marcus16-kang/binfmt:latest --install all
docker buildx create --use --driver docker-container --driver-opt image=ghcr.io/marcus16-kang/buildkit:latest
docker buildx build --platform linux/amd64,linux/arm64 --tag <REPO>:<TAG> --push .