镜像体积优化
优化前构建镜像体积:1.2GB
优化后构建镜像体积:621.63 MB
优化前
Dockerfile
FROM centos:centos7 WORKDIR /mydocker/jdk #创建一个存放jdk的路径 RUN mkdir /mydocker/jdk/jdk11 #将jdk压缩包复制并解压到容器中/mydocker/jdk/jdk11 ADD jdk-11.0.18_linux-x64_bin.tar.gz /mydocker/jdk/jdk11 #配置java环境变量 ENV JAVA_HOME /mydocker/jdk/jdk11/jdk-11.0.18 ENV JRE_HOME $JAVA_HOME/jre ENV CLASSPATH $JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib:$CLASSPATH ENV PATH $JAVA_HOME/bin:$PATH RUN yum -y update; yum clean all RUN yum -y install epel-release; yum clean all RUN yum -y install nodejs npm; yum clean all ADD . /mydocker/jdk RUN cd /mydocker/jdk; npm install EXPOSE 3000
yaml文件
version: "3"
services:
app:
platform: linux/amd64
image: font_file_pick
container_name: font_file_pick
ports:
- "3000:3000"
build:
context: ./ # 指定dockerfile文件的所在路径
dockerfile: Dockerfile # 指定Dockerfile文件名称
volumes:
- ./:/home/node/app
command: npm run start
优化后
Dockerfile
FROM eclipse-temurin:17-jre-alpine WORKDIR /work RUN apk add nodejs npm COPY . /work RUN cd /work && npm install EXPOSE 3000
version: "3"
services:
app:
platform: linux/amd64
image: font_file_pick
container_name: font_file_pick
ports:
- "3000:3000"
build:
context: ./ # 指定dockerfile文件的所在路径
dockerfile: Dockerfile # 指定Dockerfile文件名称
command: npm run start