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## 工程目录
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```commandline
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├── Dockerfile
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├── docker-compose.yml
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├── entrypoint.sh
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├── mysql_app.sql
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├── mysql_auth.sql
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├── nginx.conf
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├── supervisord.conf
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└── website
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├── db
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├── handlers
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├── service
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├── util
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├── app.py
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├── url.py
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├── handler.py
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└── dist
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├── index.html
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├── ...
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```
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## 配置信息
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### Dockerfile
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```bash
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# generalai:v1是镜像名，192.168.10.94:5000是镜像仓库docker registry本地地址
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FROM 192.168.10.94:5000/generalai:v1
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# Set timezone
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ENV TZ=Asia/Shanghai
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# Install necessary packages
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RUN apt-get update && apt-get install -y \
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# python3-pip \
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# mysql-client \
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default-mysql-client \
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redis-tools \
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&& apt-get clean
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RUN mkdir -p /app/lemon
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RUN mkdir -p /app/fileupload
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RUN mkdir -p /app/log
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# Set working directory，设置工作目录之后，COPY命令的目标目录就是workdir指定的目录
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WORKDIR /app/lemon
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# Copy application files
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# 拷贝工程文件，将工程文件拷贝到镜像的指定目录下，如果拷贝完整目录，需要使用"website/"，不能使用"website/*"
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COPY website/ ./website/
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COPY dist/ ./dist/
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# COPY mysql_app.sql /app/lemon/
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# Install Python dependencies
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# RUN pip3 install -r /app/lemon/website/requirements.txt
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# Copy supervisor configuration
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COPY supervisor.conf /etc/supervisor/conf.d/lemon.conf
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# Copy nginx configuration
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# COPY nginx.conf /etc/nginx/sites-available/lemon
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# RUN ln -s /etc/nginx/sites-available/lemon /etc/nginx/sites-enabled/
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# COPY entrypoint.sh /app/lemon/entrypoint.sh
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# RUN chmod +x /app/lemon/entrypoint.sh
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# 拷贝entrypoint.sh文件，将entrypoint.sh文件拷贝到镜像根目录下
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COPY entrypoint.sh /
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RUN sed -i 's/\r//' /entrypoint.sh
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RUN chmod +x /entrypoint.sh
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# Expose port
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EXPOSE 80
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# VOLUME /data
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# Start services
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# ENTRYPOINT留空，入口文件entrypoint.sh配置在docker-compose.yml中，由docker-compose执行
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ENTRYPOINT []
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```
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编译
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```shell
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# docker build，便于移植
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docker build -t lemon:latest .
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docker images 查看生成的镜像 lemon:latest
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```
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### docker-compose.yml
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```shell
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version: "3.3"
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services:
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web:
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# build: .
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working_dir: /app/lemon/website # 设置工作目录，不设置会导致程序import错误
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image: lemon:latest
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tty:
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true
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container_name: lemon_web
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privileged: true
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# ports:
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# - "80:80"
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# - "8989:8989"
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volumes:
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# - /data/app/lemon:/app/lemon # 如果由相同的设置，则会覆盖Dockfile中COPY的文件
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- /data/app/log:/app/log
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- /data/app/fileupload:/app/fileupload
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- /usr/sbin/dmidecode:/usr/sbin/dmidecode # dmidecode命令需要root权限，否则会报错
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- /dev/mem:/dev/mem # /dev/mem需要root权限，否则会报错
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environment:
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- TZ=Asia/Shanghai
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networks: # 配置网络
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- lemon_network
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depends_on:
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- mysql
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- redis
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# 执行entrypoint.sh文件，并执行supervisord启动服务
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command: sh -c "/entrypoint.sh && /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf"
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nginx:
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image: nginx:latest
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container_name: lemon_nginx
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ports:
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- "80:80"
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- "443:443"
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volumes:
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- ./nginx.conf:/etc/nginx/conf.d/lemon.conf # 挂载配置文件
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- ./dist:/app/lemon/dist # 挂载前端目录
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depends_on:
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- web
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networks:
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- lemon_network
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mysql:
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image: mysql:8.0
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container_name: lemon_mysql
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ports:
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- "13306:3306"
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environment:
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MYSQL_ROOT_PASSWORD: SghjdA887# # 设置root用户密码
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MYSQL_DATABASE: aiplatform # 设置数据库
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volumes:
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- /data/mysql_data:/var/lib/mysql # 挂载数据目录
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- ./mysql_auth.sql:/docker-entrypoint-initdb.d/auth.sql # 挂载权限初始化sql
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- ./mysql_app.sql:/docker-entrypoint-initdb.d/app.sql # 挂载数据库初始化sql
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networks:
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- lemon_network
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redis:
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image: redis:latest
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container_name: lemon_redis
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ports:
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- "16379:6379"
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command: redis-server --requirepass hgkiYY87 # 设置密码
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volumes:
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- /data/redis_data:/data
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networks:
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- lemon_network
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#volumes:
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# mysql_data:
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# redis_data:
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networks:
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lemon_network:
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driver: bridge # 如果不设置，则默认使用bridge
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```
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### entrypoint.sh
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```bash
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#!/bin/bash
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# 初始化数据库，mysql_app.sql通过挂载的方式初始化，所以本处的代码注释掉了
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#if [ -f "/app/lemon/mysql_app.sql" ];then
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# echo "Initializing MySQL database..."
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# # 初始化数据库, -p 表示使用密码登录，请使用实际的密码
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# mysql -h lemon_mysql -u root -pxxx aiplatform < /app/lemon/mysql_app.sql
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# echo "MySQL initialization completed."
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#else
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# echo "Mysql init error：init sql file does not exist"
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#fi
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# 更新配置文件
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if [ ! -f "/app/lemon/website/settings_local.py" ];then
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echo "@@init settings_local file"
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cat > /app/lemon/website/settings_local.py << EOF
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mysql_app = {
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"host": "lemon_mysql:3306", # docker-compose中设置了相同的networks，可以直接使用lemon_mysql:3306访问
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"database": "aiplatform",
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"user": "root",
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"password": "xxx", # 请替换为实际的密码
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"time_zone": "+8:00"
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}
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redis_app = ("lemon_redis", 6379, 0, "xxxx") # 请替换为实际的密码
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EOF
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fi
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# 设置要列出的目录
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dir_path="/app/lemon"
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# 函数，递归打印目录结构
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function print_dir_structure() {
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local dir="$1"
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local indent="$2"
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# 打印当前目录
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echo "$indent$(basename "$dir")"
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# 遍历目录下的所有项目
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for item in "$dir"/*
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do
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# 如果是目录,递归打印
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if [ -d "$item" ]; then
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print_dir_structure "$item" "$indent "
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# 如果是文件,打印文件名
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elif [ -f "$item" ]; then
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echo "$indent $(basename "$item")"
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fi
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done
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}
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# print_dir_structure "$dir_path" "-"
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# 启动Tornado应用程序
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#echo "启动Tornado应用程序"
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#if [ -f "/app/lemon/website/app.py" ];then
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# echo "@@app.py存在"
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# python /app/lemon/website/app.py --port=8889 >> /app/log/lemon.log 2>&1
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#else
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# echo "app.py文件错误：文件不存在"
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#fi
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echo "启动完成"
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```
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### mysql初始化
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```
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mysql_app.sql, 数据库的结构，以及默认账号的初始化
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mysql_auth.sql， 修改密码加密规格，修改密码
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```
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### nginx
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```
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server {
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listen 80;
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server_name 192.168.10.94;
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root /app/lemon/dist; # 静态文件目录，请替换为实际的路径
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location ^~ /api {
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proxy_pass http://lemon_web:8989; # lemon_web为容器的默认host
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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}
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location / {
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try_files $uri $uri/ /index.html;
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}
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}
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```
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### supervisor
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```
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[program:lemon]
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directory=/app/lemon/website
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command=python /app/lemon/website/app.py --port=8989
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numprocs=1
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process_name=%(program_name)s_%(process_num)02d
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autorestart=true
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autostart=true
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startsecs=5
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redirect_stderr=true
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stdout_logfile=/app/log/app_%(process_num)02d.log
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```
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```
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command 可以使用动态参数，例如：--port=88%(process_num)02d，默认进程使用8800端口，
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多进程则修改numproc的值，如numproc=2，则第一个进程使用8800端口，第二个进程使用8801端口。
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```
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## 启动项目
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### 本地编译启动
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```
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1. 修改配置文件
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2. 编译，docker build -t lemon .
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3. docker-compose up -d
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```
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### 镜像打包
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```
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Dockerfile中首行配置 FROM 192.168.10.94:5000/generalai:v1，使用的是开发环境的docker registry镜像
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这个image中包含工程运行需要的基础环境，包括各种包，supervisor
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镜像制作：
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docker build -t lemon .
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镜像导出：
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export:
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docker export lemon_web lemon.tar # lemon_web是docker-compose.yml中的container name, 或者使用container id
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或者save:
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docker save -o lemon.tar lemon:latest # 导出为tar文件，方便传输
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```
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### 导入docker镜像包
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```
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import: docker import lemon.tar lemon:latest
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或者load: docker load < lemon.tar
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docker-compose up -d
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```
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### 查看日志
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```
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docker logs -f lemon_web
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``` |