[feat:1.8]增加Alpine系统Dockerfile文件

alpine/Dockerfile

@@ -0,0 +1,29 @@
+# Ver: 1.0 by Endial Fang (endial@126.com)
+#
+FROM colovu/alpine:3.12
+ARG apt_source=default
+
+ENV APP_NAME=openjre
+
+ENV JAVA_VERSION=1.8.0 \
+	JAVA_HOME=/usr/lib/jvm/java-1.8-openjdk
+
+ENV JRE_HOME="${JAVA_HOME}/jre" \
+	CLASSPATH="${JAVA_HOME}/lib:${JAVA_HOME}/jre/lib" \
+	PATH="${JAVA_HOME}/bin:${JAVA_HOME}/jre/bin:${PATH}"
+
+LABEL   "Version"="v1.8" \
+	"Description"="Alpine image for OpenJRE 1.8." \
+	"Dockerfile"="https://github.com/colovu/docker-openjre" \
+	"Vendor"="Endial Fang (endial@126.com)"
+
+RUN select_source ${apt_source}
+RUN install_pkg openjdk8-jre; \
+# 解决应用安装jre-headless时错误：update-alternatives: error: error creating symbolic link '/usr/share/man/man
+	mkdir -p /usr/share/man/man1; \
+# 验证安装的应用软件是否正常
+	java -version;
+
+WORKDIR /
+
+CMD []