# Ver: 1.2 by Endial Fang (endial@126.com)
#

# 预处理 =========================================================================
FROM colovu/abuilder as builder

# sources.list 可使用版本：default / tencent / ustc / aliyun / huawei
ARG apt_source=default

# 编译镜像时指定用于加速的本地服务器地址
ARG local_url=""

WORKDIR /usr/local

RUN select_source ${apt_source};
#RUN install_pkg xz-utils

# 下载并解压软件包
#RUN set -eux; \
#	appVersion=1.12; \
#	appName=gosu-"$(dpkg --print-architecture | awk -F- '{ print $NF }')"; \
#	appKeys="0xB42F6819007F00F88E364FD4036A9C25BF357DD4"; \
#	sha256="04fa1fddc39bd1aecb6739dd5dd73858a3515b427acd1e2947a66dadce868d68"; \
#	[ ! -z ${local_url} ] && localURL=${local_url}/gosu; \
#	appUrls="${localURL:-} \
#		https://github.com/tianon/gosu/releases/download/${appVersion} \
#		"; \
#	download_pkg install ${appName} "${appUrls}" -g "${appKeys}" -s "${sha256}"; \
#	download_pkg unpack ${appName} "${appUrls}"; \
#	chmod +x /usr/local/bin/${appName};

# 源码编译软件包
#RUN set -eux; \
# 源码编译方式安装: 编译后将原始配置文件拷贝至 ${APP_DEF_DIR} 中
#	APP_SRC="/usr/local/${APP_NAME}-${APP_VERSION}"; \
# 	mkdir -p /usr/local/${APP_NAME}; \
#	cd ${APP_SRC}; \
#	./configure --prefix=/usr/local/${APP_NAME} \
#		; \
#	make -j "$(nproc)"; \
#	make PREFIX=/usr/local/${APP_NAME} install; \
#	runDeps="$( \
#		scanelf --needed --nobanner --format '%n#p' --recursive /usr/local \
#			| tr ',' '\n' \
#			| sort -u \
#			| awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }' \
#	)"; \
#	echo "${runDeps}" >/usr/local/${APP_NAME}/runDeps; \
#	find /usr/local -name '*.a' -delete; \
#	cp -rf ./conf/* ${APP_DEF_DIR}/; 

# Alpine:scanelf --needed --nobanner --format '%n#p' --recursive /usr/local | tr ',' '\n' | sort -u | awk 'system("[ -e /usr/local/lib/" $1 " ]") == 0 { next } { print "so:" $1 }'
# Debian: find /usr/local/redis/bin -type f -executable -exec ldd '{}' ';' | awk '/=>/ { print $(NF-1) }' | sort -u | xargs -r dpkg-query --search | cut -d: -f1 | sort -u

# 镜像生成 ========================================================================
FROM colovu/alpine:3.12

ARG apt_source=default
ARG local_url=""

ENV APP_NAME=test \
	APP_USER=builder \
	APP_EXEC=/bin/bash \
	APP_VERSION=1.0.0

ENV	APP_HOME_DIR=/usr/local/${APP_NAME} \
	APP_DEF_DIR=/etc/${APP_NAME} \
	APP_CONF_DIR=/srv/conf/${APP_NAME} \
	APP_DATA_DIR=/srv/data/${APP_NAME} \
	APP_DATA_LOG_DIR=/srv/datalog/${APP_NAME} \
	APP_CACHE_DIR=/var/cache/${APP_NAME} \
	APP_RUN_DIR=/var/run/${APP_NAME} \
	APP_LOG_DIR=/var/log/${APP_NAME} \
	APP_CERT_DIR=/srv/cert/${APP_NAME}

ENV \
	PATH="${APP_HOME_DIR}/bin:${PATH}" \
	LD_LIBRARY_PATH=${APP_HOME_DIR}/lib

LABEL \
	"Version"="v${APP_VERSION}" \
	"Description"="Docker image for ${APP_NAME}(v${APP_VERSION})." \
	"Dockerfile"="https://github.com/colovu/docker-${APP_NAME}" \
	"Vendor"="Endial Fang (endial@126.com)"

COPY customer /

# 以包管理方式安装软件包(Optional)
RUN select_source ${apt_source}
#RUN install_pkg bash tini sudo libssl1.1

RUN create_user && prepare_env && mkdir -p ${APP_HOME_DIR}/bin ${APP_HOME_DIR}/lib

# 从预处理过程中拷贝软件包(Optional)
#COPY --from=0 /usr/local/bin/gosu-amd64 /usr/local/bin/gosu
#COPY --from=builder /usr/local/redis /usr/local/redis
#COPY --from=builder /usr/local/bin/gosu-amd64 /usr/local/bin/gosu

RUN install_pkg `cat /usr/local/${APP_NAME}/lib/runDeps`; 

# 执行预处理脚本，并验证安装的软件包
RUN set -eux; \
	override_file="/usr/local/overrides/overrides-${APP_VERSION}.sh"; \
	[ -e "${override_file}" ] && /bin/bash "${override_file}"; \
	export LD_LIBRARY_PATH=/usr/local/${APP_NAME}/lib; \
	gosu ${APP_USER} ${APP_EXEC} --version ; \
	:;

# 默认提供的数据卷
VOLUME ["/srv/conf", "/srv/data", "/srv/datalog", "/srv/cert", "/var/log"]

# 默认使用gosu切换为新建用户启动，必须保证端口在1024之上
EXPOSE 8080

# 容器初始化命令，默认存放在：/usr/local/bin/entry.sh
ENTRYPOINT ["entry.sh"]

# 应用程序的服务命令，必须使用非守护进程方式运行。如果使用变量，则该变量必须在运行环境中存在（ENV可以获取）
CMD ["${APP_EXEC}"]