Alpine Docker Demo

# 指定一些变量
ARG PROOT=/root/app
ARG APP_PORT=3000

# 指定底包
FROM alpine:latest

LABEL version="1.0"
LABEL description="node docker file based on alpine which is quite small."
LABEL maintainer="leolord(fortomorrow@163.com)"

# 使用阿里云镜像，并安装必须依赖
RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
RUN apk update && apk add nginx nodejs npm
RUN echo 'home=https://npm.taobao.org \
 registry=https://registry.npm.taobao.org/' > ~/.npmrc
RUN npm install -g yarn

# 当前工作目录
RUN mkdir -p ${PROOT}
WORKDIR ${PROOT}

# 设置环境变量
ENV NODE_ENV production
ENV WORKER 2

# 复制文件
COPY from to

# 安装依赖
RUN yarn

# 指定监听端口
EXPOSE ${APP_PORT}/tcp
EXPOSE ${APP_PORT}/udp

# 启动服务
CMD ["yarn", "run", "dev", "--port=3000"]