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davinci-docker's Introduction

环境要求

  1. 安装docker后的 windows,linux,mac
  2. Docker版本: 18.02.0+
  3. 检查是否有docker-compose命令(安装docker后默认会有,否则请手动安装)

极速启动

在任意目录 (建议找个空目录)执行以下命令

curl https://raw.githubusercontent.com/edp963/davinci-docker/master/docker-compose.yml > docker-compose.yml
vim docker-compose.yml
# 修改邮箱配置,否则无法登录

#docker老手使用以下命令
docker-compose up -d 

#docker新手用以下命令
docker-compose --verbose up

等待一分钟左右,用浏览器打开以下链接:

http://localhost:58080

注意事项

请确认邮箱配置正确!!!否则注册不了用户,从而登录不了

Docker支持环境变量列表

变量 描述 默认值
HOST_DAVINCI server.address,绑定域名 0.0.0.0
MYSQL_CONN datasource.url,jdbc mysql连接串
DB_USER datasource.username
DB_PWD datasource.password
MAIL_HOST mail.host
MAIL_PORT mail.port
MAIL_USER mail.username
MAIL_PWD mail.password
MAIL_NICKNAME mail.nickname
SMTP_TLS mail.properties.smtp.starttls.enable true
SMTP_TLS_REQUIRED mail.properties.smtp.starttls.required true
SMTP_AUTH mail.properties.smtp.auth true
MAIL_STMP_SSL mail.properties.mail.smtp.ssl.enable false

原理分析

制作davinci docker镜像

1. Dockfile分析

FROM java:8-jre

LABEL MAINTAINER="[email protected]"

# 从github上下载分发包并解压

RUN cd / \
	&& mkdir -p /opt/davinci\
	&& wget https://github.com/edp963/davinci/releases/download/v0.3.0-beta.6/davinci-assembly_3.0.1-0.3.1-SNAPSHOT-dist-beta.6.zip \
	&& unzip davinci-assembly_3.0.1-0.3.1-SNAPSHOT-dist-beta.6.zip -d /opt/davinci

# 将phantomjs打包到镜像

ADD phantomjs-2.1.1 /opt/phantomjs-2.1.1
RUN chmod +x /opt/phantomjs-2.1.1/phantomjs

# 数据库初始化脚本,等待数据库就绪后启动spring boot

ADD bin/start.sh /opt/davinci/bin/start.sh
RUN chmod +x /opt/davinci/bin/start.sh

# docker镜像是静态的,因此配置文件中的配置需要用环境变量传递,详见12factor
# https://12factor.net/zh_cn/

ADD config/application.yml /opt/davinci/config/application.yml

# 预设davinci必备的两个环境变量
ENV DAVINCI3_HOME /opt/davinci
ENV PHANTOMJS_HOME /opt/phantomjs-2.1.1

WORKDIR /opt/davinci

# 为什么使用CMD而不是ENTRYPOINT? 因为CMD可以在docker run的时候被替代
# 在使用compose或K8S时,很有可能要在启动前执行其它脚本,而不是直接运行
# start-server.sh
# 在单独docker run且不附加任何命令时,以下命令默认执行

CMD ["./bin/start-server.sh"]

EXPOSE 8080

start.sh

#!/bin/bash

# 将sql脚本经过mysql8兼容处理后,写入/initdb目录
# /initdb 目录是与mysql容器共享目录
# mysql容器将在启动时执行 /docker-entrypoint-initdb.d 中的所有脚本

cd /opt/davinci/bin/
mkdir /initdb
cat davinci.sql > /initdb/davinci.sql
sed -i '1i\SET GLOBAL log_bin_trust_function_creators = 1;' /initdb/davinci.sql


# 由于docker compose中启动顺序管理交给了容器自己
# 详见 https://docs.docker.com/compose/startup-order/
# 因此我们需要用curl探测mysql端口,当接受数据字节大于0时认为
# 数据库可以连通,接下来我们执行davinci spring boot主程序
set -e

host="$1"
shift
cmd="$@"

until [ $(curl -I -m 10 -o /dev/null -s -w %{size_download} $host) -gt 0 ]; do
  >&2 echo "database is unavailable - sleeping"
  sleep 1
done

source $cmd

2. 构建镜像

docker build -t="edp963/davinci:v0.3.0-beta.6" .

3. docker compose

version: '3.6'
services:
  davinci:
    environment:
      - MYSQL_CONN=jdbc:mysql://mysql:3306/davinci0.3?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&allowMultiQueries=true
      - DB_USER=root
      - DB_PWD=abc123123
      - MAIL_HOST=smtp.163.com
      - MAIL_PORT=465
      - MAIL_STMP_SSL=true
      - [email protected]
      - MAIL_PWD=xxxxxxxx
      - MAIL_NICKNAME=davinci
    image: "edp963/davinci:v0.3.0-beta.6"
    ports:
      - 58080:8080
    # 等待mysql就绪后再启动spring boot主程序
    command: ["./bin/start.sh", "mysql:3306", "--", "start-server.sh"]
    restart: always
    volumes:
      - davinci_logs:/opt/davinci/logs
      - davinci_userfiles:/opt/davinci/userfiles
      - davinci_initdb:/initdb  #共享给mysql作数据初始化
  mysql:
    image: mysql:8
    restart: always
    environment:
      - MYSQL_ROOT_PASSWORD=abc123123
      - MYSQL_DATABASE=davinci0.3
    volumes:
      - mysql_data:/var/lib/mysql
      # 初始化脚本源自davinic容器的initdb目录
      - davinci_initdb:/docker-entrypoint-initdb.d:ro   

volumes:
  davinci_userfiles:
  davinci_logs:
  davinci_initdb:
  mysql_data:

    

小提示:docker-compose.yml环境变量配置K=V中不能出现空格,V也不能用双引号包裹

4. docker compose启动

docker-compose up -d 

5.仅docker启动(使用外部数据库)

docker run -p 58081:8080 -e MYSQL_CONN="jdbc:mysql://yourmysqlserver:3306/davinci0.3?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&allowMultiQueries=true" \
-e DB_USER="root" -e DB_PWD="pwd" \
-e MAIL_HOST="smtp.163.com"  -e MAIL_PORT="465" -e MAIL_STMP_SSL="true" \
-e MAIL_USER="[email protected]"  -e MAIL_PWD="xxxxxxx" \
-e MAIL_NICKNAME="davinci_sys" \
edp963/davinci:v0.3.0-beta.6

6.使用更丰富的配置

可以在宿主中添加一些配置文件,查看davinci配置

然后docker run 时将其挂载到 /opt/davinci/config

docker run -p 58081:8080 -e MYSQL_CONN="jdbc:mysql://yourmysqlserver:3306/davinci0.3?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&allowMultiQueries=true" \
-e DB_USER="root" -e DB_PWD="pwd" \
-e MAIL_HOST="smtp.163.com"  -e MAIL_PORT="465" -e MAIL_STMP_SSL="true" \
-e MAIL_USER="[email protected]"  -e MAIL_PWD="xxxxxxx" \
-e MAIL_NICKNAME="davinci_sys" \
-v /etc/davinci:/opt/davinci/config \
edp963/davinci:v0.3.0-beta.6

davinci-docker's People

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