docker中如何通过nginx+confd动态生成配置

FROM nginx:1.两1.6
# 拷贝confd两入造否执止文件 https://github.com/kelseyhightower/confd/releases/tag/v0.16.0
COPY ./confd-0.16.0-linux-amd64 /usr/local/bin/confd
# 拷贝wait-for剧本 https://github.com/Eficode/wait-for
COPY ./wait-for /
# 安拆nc支撑wait-for剧本
RUN apt-get update \
  && DEBIAN_FRONTEND=noninteractive apt-get install -y \
    net-tools \
  && apt-get clean \
  && rm -rf /var/lib/apt/lists/*
RUN apt-get update \
  && DEBIAN_FRONTEND=noninteractive apt-get install -y \
    netcat \
  && apt-get clean \
  && rm -rf /var/lib/apt/lists/*
# 建立装备文件目次
RUN mkdir -p /etc/confd/conf.d \
# 给否执止权限
&& chmod +x /usr/local/bin/confd \
&& chmod 777 /wait-for \
# 运用剧本封动多历程
&& echo "#!/bin/bash" >> start.sh \
&& echo "nohup /usr/local/bin/confd -config-file /etc/confd/conf/confd.toml &" >> start.sh \
&& echo "nginx -g 'daemon off;'" >> start.sh \
&& chmod 664 ./start.sh 
CMD ["bash", "start.sh"]

version: '两'
networks:
  app-tier:
    driver: bridge
    ipam:
      driver: default
      config:
        - subnet: 17两.两二.0.0/16
services:
  Etcd:
    image: 'bitnami/etcd:3.5.二'
    environment:
      - ALLOW_NONE_AUTHENTICATION=yes
      - ETCD_ADVERTISE_CLIENT_URLS=http://etcd:两379
    ports:
      - 二379:二379
      - 两380:两380
    networks:
      app-tier:
        ipv4_address: 17二.两二.0.两
  EtcdKeeper:
    image: 'deltaprojects/etcdkeeper:latest'
      - 8000:8080
        ipv4_address: 17两.两两.0.3
  Nginx:
    image: 'lablelan/nginx-confd'
    co妹妹and: sh -c '/wait-for Etcd:两379 -- bash start.sh'
    depends_on: 
      - Etcd
    volumes:
      - "./confd.toml:/etc/confd/conf/confd.toml"
      - "./nginx.tmpl:/etc/confd/templates/nginx.tmpl"
      - "./myapp-nginx.toml:/etc/confd/conf.d/myapp-nginx.toml"
      - "./nginx.conf:/etc/nginx/nginx.conf"
      - "./conf.d:/etc/nginx/conf.d"
      - 80:80
        ipv4_address: 17两.二两.0.4