Protobuf compiler + Go plugin + buf in Docker container

docker-compose.yml

version: "3"

services:
    buf:
        build:
            context: .
            dockerfile: docker/proto.Dockerfile
        volumes:
            - ./:/workspace
        working_dir: /workspace

proto.Dockerfile

FROM bufbuild/buf:1.3.0 as buf

FROM golang:1.18-alpine

RUN apk add --no-cache build-base curl automake autoconf libtool git zlib-dev gcompat

ENV PROTOBUF_VERSION="3.19.3"
ENV PLUGIN_VERSION="1.27.1"

#install compiler https://github.com/protocolbuffers/protobuf
RUN mkdir -p /proto && PROTOC_ZIP=protoc-${PROTOBUF_VERSION}-linux-x86_64.zip && \
    curl -LO https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOBUF_VERSION}/${PROTOC_ZIP} && \
    unzip ${PROTOC_ZIP} -d /root/.local && rm -f ${PROTOC_ZIP}

#install go plugin https://github.com/protocolbuffers/protobuf-go
RUN go install google.golang.org/protobuf/cmd/protoc-gen-go@v${PLUGIN_VERSION}

COPY --from=buf /usr/local/bin/buf /usr/local/bin/buf

ENTRYPOINT ["/usr/local/bin/buf"]