nginx unit java 试用

unit 当前已经支持java了，当时支持基于servlet 的开发模式，以下是一个简单的学习
基于官方的demo

环境准备

• docker-compose文件

 

version: "3"

services:

  app:

   build: ./

   ports:

   - "8080:8080"

   - "9000:9000" 

• dockerfile

# keep our base image as small as possible

FROM nginx/unit:1.11.0-minimal

​

# port used by the listener in config.json

EXPOSE 8080

​

# add Java language and corresponding language module

RUN apt update \

    && apt install -y apt-transport-https gnupg1 \

    && curl https://nginx.org/keys/nginx_signing.key | apt-key add - \

    && echo "deb https://packages.nginx.org/unit/debian/ stretch unit" \

         > /etc/apt/sources.list.d/unit.list \

    && echo "deb-src https://packages.nginx.org/unit/debian/ stretch unit" \

         >> /etc/apt/sources.list.d/unit.list \

    && apt update \

    && mkdir -p /usr/share/man/man1/ \

    && apt install -y openjdk-8-jdk unit-jsc8 \

# final cleanup

    && apt remove -y apt-transport-https gnupg1 \

    && apt autoremove --purge -y \

    && rm -rf /var/lib/apt/lists/* /etc/apt/sources.list.d/*.list

​

# application setup

RUN mkdir /www/ && echo \

    '<%@page language="java" contentType="text/plain"%><%="Hello, Unit!"%>'\

    > /www/index.jsp \

# launch Unit

    && unitd --control unix:/var/run/control.unit.sock \

# upload the app config to Unit

    && curl -X PUT --data-binary '{ \

    "listeners": { \

        "*:8080": { \

            "pass": "applications/java_app" \

        } \

    }, \

    "applications": { \

        "java_app": { \

            "type": "java", \

            "webapp": "/www/" \

        } \

    } \

    }' --unix-socket /var/run/control.unit.sock http://localhost/config/

配置说明

对于java 项目的支持配置如下：

{

    "type": "java",

    "classpath": ["/www/qwk2mart/lib/qwk2mart-2.0.0.jar"],

    "options": ["-Dlog_path=/var/log/qwk2mart.log"],

    "webapp": "/www/qwk2mart/qwk2mart.war"

}

type 指定为java 语言，classpath 为依赖的jar 包 ，options指定jvm启动的一些参数，比如上边的日志，webapp，指定应用程序的路径
或者未解压包（war）的文件

启动&&测试

• 启动

docker-compose build && docker-compose up -d

• 效果

 

 

说明

关于集成java 的原理还需要看看源码，从原理上还是cgi编程，同时使用doker 运行有点太大了

参考资料

https://unit.nginx.org/configuration/#java