Dockerfile

# This dockerfile uses extends image https://hub.docker.com/sinlov/GoLang-PlayGround
# VERSION 1
# Author: sinlov
# dockerfile offical document https://docs.docker.com/engine/reference/builder/
# https://hub.docker.com/_/golang
FROM golang:1.19.12-bullseye as builder

ARG GO_ENV_PACKAGE_NAME=github.com/sinlov/GoLang-PlayGround
ARG GO_ENV_ROOT_BUILD_BIN_NAME=GoLang-PlayGround
ARG GO_ENV_ROOT_BUILD_BIN_PATH=build/${GO_ENV_ROOT_BUILD_BIN_NAME}
ARG GO_ENV_ROOT_BUILD_ENTRANCE=cmd/GoLang-PlayGround/main.go

ARG GO_PATH_SOURCE_DIR=/go/src
WORKDIR ${GO_PATH_SOURCE_DIR}

RUN mkdir -p ${GO_PATH_SOURCE_DIR}/${GO_ENV_PACKAGE_NAME}
COPY $PWD ${GO_PATH_SOURCE_DIR}/${GO_ENV_PACKAGE_NAME}

RUN cd ${GO_PATH_SOURCE_DIR}/${GO_ENV_PACKAGE_NAME} && \
    go mod download -x

RUN  cd ${GO_PATH_SOURCE_DIR}/${GO_ENV_PACKAGE_NAME} && \
  CGO_ENABLED=0 \
  go build \
  -a \
  -installsuffix cgo \
  -ldflags '-w -s --extldflags "-static -fpic"' \
  -tags netgo \
  -o ${GO_ENV_ROOT_BUILD_BIN_PATH} \
  ${GO_ENV_ROOT_BUILD_ENTRANCE}

# https://hub.docker.com/_/alpine
FROM alpine:3.17

ARG DOCKER_CLI_VERSION=${DOCKER_CLI_VERSION}
ARG GO_ENV_PACKAGE_NAME=github.com/sinlov/GoLang-PlayGround
ARG GO_ENV_ROOT_BUILD_BIN_NAME=GoLang-PlayGround
ARG GO_ENV_ROOT_BUILD_BIN_PATH=build/${GO_ENV_ROOT_BUILD_BIN_NAME}

ARG GO_PATH_SOURCE_DIR=/go/src

#RUN apk --no-cache add \
#  ca-certificates mailcap curl \
#  && rm -rf /var/cache/apk/* /tmp/*

RUN mkdir /app
WORKDIR /app

COPY --from=builder ${GO_PATH_SOURCE_DIR}/${GO_ENV_PACKAGE_NAME}/${GO_ENV_ROOT_BUILD_BIN_PATH} .
ENTRYPOINT [ "/app/GoLang-PlayGround" ]
# CMD ["/app/GoLang-PlayGround", "--help"]