[alpine]修改为多阶段编译；增加tini工具；更新Makefile

Dockerfile

@@ -1,6 +1,6 @@
-# Ver: 1.0 by Endial Fang (endial@126.com)
+# Ver: 1.1 by Endial Fang (endial@126.com)
 #
-FROM alpine:3.12
+FROM colovu/alpine-builder as builder
 
 # ARG参数使用"--build-arg"指定，如 "--build-arg apt_source=tencent"
 # sources.list 可使用版本：default / tencent / ustc / aliyun / huawei
@@ -11,34 +11,11 @@ ARG local_url=""
 
 ARG gosu_ver=1.12
 
-LABEL \
-        "Version"="v3.12" \
-        "Description"="Alpine image for Alpine 3.12." \
-        "Dockerfile"="https://github.com/colovu/docker-alpine" \
-        "Vendor"="Endial Fang (endial@126.com)"
-
-COPY sources/* /etc/apk/
-
 RUN set -eux; \
-	\
-# 更改源为当次编译指定的源
-	cp /etc/apk/repositories.${apt_source} /etc/apk/repositories; \
-	\
-	apk update; \
-	apk upgrade --no-cache;\
-	apk add --no-cache bash; \
-	\
-# 安装依赖软件包
-	apk add --no-cache --virtual .fetch-deps \
-		dpkg \
-		gnupg \
-	; \
-	\
-# 安装应用软件
 	dpkgArch="$(dpkg --print-architecture | awk -F- '{ print $NF }')"; \
 	if [ -n "${local_url}" ]; then \
-		wget -O /usr/local/bin/gosu "${local_url}/gosu-${dpkgArch}"; \
-		wget -O /usr/local/bin/gosu.asc "${local_url}/gosu-${dpkgArch}.asc"; \
+		wget -O /usr/local/bin/gosu "${local_url}/gosu/gosu-${dpkgArch}"; \
+		wget -O /usr/local/bin/gosu.asc "${local_url}/gosu/gosu-${dpkgArch}.asc"; \
 	else \
 		wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/${gosu_ver}/gosu-$dpkgArch"; \
 		wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/${gosu_ver}/gosu-$dpkgArch.asc"; \
@@ -55,15 +32,37 @@ RUN set -eux; \
 	done; \
 	gpg --batch --verify "/usr/local/bin/gosu.asc" "/usr/local/bin/gosu"; \
 	command -v gpgconf > /dev/null && gpgconf --kill all; \
-	rm -rf "$GNUPGHOME"; \
 	\
 	chmod +x /usr/local/bin/gosu; \
-	rm -rf /usr/local/bin/gosu.asc; \
-	\
-# 删除安装的依赖软件包
-	apk del --no-network .fetch-deps; \
 	\
 # 验证安装的应用软件是否正常
 	gosu nobody true;
 
+# 镜像生成
+FROM alpine:3.12
+ARG apt_source=default
+
+LABEL \
+        "Version"="v3.12" \
+        "Description"="Alpine image for Alpine 3.12." \
+        "Dockerfile"="https://github.com/colovu/docker-alpine" \
+        "Vendor"="Endial Fang (endial@126.com)"
+
+COPY sources/* /etc/apk/
+
+RUN set -eux; \
+	cp /etc/apk/repositories.${apt_source} /etc/apk/repositories; \
+	\
+	apk update; \
+	apk upgrade --no-cache; \
+	apk add --no-cache bash tini; \
+	\
+	rm -rf /var/cache/apk/*; \
+	rm -rf /root/.cache; \
+	rm -rf /tmp/*; 
+
+COPY --from=builder /usr/local/bin/gosu /usr/local/bin/
+
+WORKDIR /srv/data
+
 CMD []

Makefile

@@ -1,9 +1,40 @@
+# Ver: 1.3 by Endial Fang (endial@126.com)
+#
+# 当前 Docker 镜像的编译脚本
 
-current_branch := $(shell git rev-parse --abbrev-ref HEAD)
+app_name := colovu/alpine
+
+# 生成镜像TAG，类似：<镜像名>:<分支名>-<Git ID>  或 <镜像名>:latest-<年月日>-<时分秒>
+current_subversion:=$(shell if [[ -d .git ]]; then git rev-parse --short HEAD; else date +%y%m%d-%H%M%S; fi)
+current_tag:=$(shell if [[ -d .git ]]; then git rev-parse --abbrev-ref HEAD | sed -e 's/master/latest/'; else echo "latest"; fi)-$(current_subversion)
 
 # Sources List: default / tencent / ustc / aliyun / huawei
-build-arg := --build-arg apt_source=tencent
-build-arg += --build-arg local_url=http://192.168.48.132/dist-files/
+build-arg:=--build-arg apt_source=tencent
+
+# 设置本地下载服务器路径，加速调试时的本地编译速度
+local_ip:=`ifconfig -a|grep inet|grep -v 127.0.0.1|grep -v inet6|awk '{print $$2}'|tr -d "addr:"`
+build-arg+=--build-arg local_url=http://$(local_ip)/dist-files/
+
+.PHONY: build clean clearclean upgrade
 
 build:
-	docker build --force-rm $(build-arg) -t alpine:$(current_branch) .
+	@echo "Build $(app_name):$(current_tag)"
+	@docker build --force-rm $(build-arg) -t $(app_name):$(current_tag) .
+	@echo "Add tag: $(app_name):latest"
+	@docker tag $(app_name):$(current_tag) $(app_name):latest
+
+# 清理悬空的镜像（无TAG）及停止的容器 
+clean:
+	@echo "Clean untaged images and stoped containers..."
+	@docker ps -a | grep "Exited" | awk '{print $$1}' | xargs docker rm
+	@docker images | grep '<none>' | awk '{print $$3}' | xargs docker rmi -f
+
+# 为了防止删除前缀名相同的镜像，在过滤条件中加入一个空格进行过滤
+clearclean: clean
+	@echo "Clean all images for current application..."
+	@docker images | grep "$(app_name) " | awk '{print $$3}' | xargs docker rmi -f
+
+# 更新所有 colovu 仓库的镜像 
+upgrade: 
+	@echo "Upgrade all images..."
+	@docker images | grep 'colovu' | grep -v '<none>' | grep -v "latest-" | awk '{print $$1":"$$2}' | xargs -L 1 docker pull