问答平台（8），项目部署

部署环境

部署环境-图示

Putty

类似于 Xshell

Xftp

软件准备-图示
上传准备的软件安装包

unzip

  • 安装
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    yum list unzip*
    yum install -y unzip.x86_64

JDK

  • 安装
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    yum list java*
    yum install -y java-1.8.0-openjdk.x86_64(JRE)
    yum install -y java-1.8.0-openjdk-devel(JDK)

maven

  • 安装
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    tar -zvxf apache-maven-3.6.3-bin.tar.gz -C /opt
  • 配置环境变量
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    cd /opt
    ll
    pwd
    cd apache-maven-3.6.3/
    vim /etc/profile
    export PATH=$PATH:/opt/apache-maven-3.6.3/bin
    source /etc/profile
    echo $PATH
    mvn -version
  • 修改配置文件
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    ll
    cd conf/
    vim settings.xml
  • settings.xml
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    <mirror>
      <id>alimaven</id>
      <mirrorOf>central</mirrorOf>
      <name>aliyun maven</name>
      <url>http://maven.aliyun.com/nexus/content/repositories/central/</url>
    </mirror>

mysql

  • 安装
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    cd /
    yum list mysql*
    cd /root
    ll
    yum install -y mysql80-community-release-el7-3.noarch.rpm
    cd /
    yum list mysql*
    yum install -y mysql-community-server.x86_64
  • 修改 root 用户密码
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    systemctl start mysqld
    systemctl status mysqld
    grep 'password' /var/log/mysqld.log
    mysql -u root -p
    系统生成的密码：C-40cbEfdeA=
    alter user root@localhost identified by 'Nowcoder_123';
    exit
    mysql -u root -p
  • 数据库文件初始化
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    cd /root
    ll
    unzip -d /root community-init-sql.zip
    mysql -u root -p
    create database community;
    use community;
    source /root/community-init-sql/init_schema.sql
    source /root/community-init-sql/init_data.sql
    source /root/community-init-sql/tables_mysql_innodb.sql
    show tables;
    select id, username, header_url from user;
    update user set header_url = 'http://images.nowcoder.com/head/666t.png' where header_url like '%localhost%';

redis

  • 安装
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    cd /
    yum list redis*
    yum -y install epel-release
    yum -y install redis
  • 启动
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    systemctl start redis
    systemctl status redis

kafka

  • 安装
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    cd /root/
    ll
    tar -zvxf kafka_2.12-2.2.0.tgz -C /opt
  • 配置
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    cd /opt/
    cd kafka_2.12-2.2.0/
    ll
    cd config/
    vim zookeeper.properties
    vim server.properties
  • 启动
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    pwd
    cd ..
    bin/zookeeper-server-start.sh -daemon config/zookeeper.properties 
    nohup bin/kafka-server-start.sh config/server.properties 1>/dev/null 2>&1 &
    [1] 31659
    bin/kafka-topics.sh --list --bootstrap-server localhost:9092

elasticsearch

  • 安装
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    cd /root/
    ll
    tar -zvxf elasticsearch-6.4.3.tar.gz -C /opt
    unzip -d /opt/elasticsearch-6.4.3/plugins/ik elasticsearch-analysis-ik-6.4.3.zip
  • 配置
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    cd /opt/elasticsearch-6.4.3
    cd config/
  • elasticsearch.yml
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    cluster.name: nowcoder
    path.data: /tmp/elasticsearch/data
    path.logs: /tmp/elasticsearch/logs
  • vim jvm.options
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    -Xms256m
    -Xmx512m
  • 用户
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    groupadd nowcoder
    useradd nowcoder1 -p 123456 -g nowcoder
    cd /opt
    chown -R nowcoder1:nowcoder *
    cd /tmp
    chown -R nowcoder1:nowcoder *
    su - nowcoder1
    clear
    cd /opt/elasticsearch-6.4.3/
    bin/elasticsearch -d (后台启动)
    su -
    curl -X GET "localhost:9200/_cat/health?v"

wkhtmltopdf

  • 安装
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    cd /
    yum list wkhtmltopdf*
    yum install -y wkhtmltopdf.x86_64
    yum list *xvfb*
    yum install -y xorg-x11-server-Xvfb.x86_64
  • 测试
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    cd /root/test/
    ll
    xvfb-run --server-args="-screen 0, 1024x768x24" wkhtmltoimage https://www.baidu.com 1.png
    ll
    cd /opt
    vim wkhtmltoimage.sh
    xvfb-run --server-args="-screen 0, 1024x768x24" wkhtmltoimage "$@"
    ll
    chmod +x wkhtmltoimage.sh
    ll
    cd /root/test/
    /opt/wkhtmltoimage.sh https://www.baidu.com 2.png

tomcat

  • 安装
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    cd /root
    ll
    tar -zvxf apache-tomcat-9.0.31.tar.gz -C /opt
  • 配置环境变量
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    cd /opt/apache-tomcat-9.0.31/
    cd bin/
    pwd
    vim /etc/profile
    export PATH=$PATH:/opt/apache-tomcat-9.0.31/bin
    source /etc/profile
    echo $PATH
  • 启动
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    startup.sh
    cd /opt/apache-tomcat-9.0.31/
    ll
    cd webapps/
    ll
  • 关闭防火墙
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    systemctl stop firewalld.service
    systemctl disable firewalld.service

nginx

  • 安装
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    cd /
    yum list nginx*
    yum install -y nginx.x86_64
  • 配置
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    vim /etc/nginx/nginx.conf
  • nginx.conf
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    upstream myserver {
            server 127.0.0.1:8080 max_fails=3 fail_timeout=30s;
    }

    server {
            listen 80;
            server_name 192.168.3.129;            
            location / {
                    proxy_pass http://myserver;
            }
    }
  • 启动
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    systemctl start nginx
    systemctl status nginx
  • nigix 启动成功，代理 tomcat 失败，出现502，解决方法如下：
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    /usr/sbin/setsebool -P httpd_can_network_connect true

部署原理

部署原理-图示

tomcat

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shutdown.sh
cd /opt/apache-tomcat-9.0.31/
ll
rm -rf *(删除所有示例)
ll

修改代码

  • application-produce.properties
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    server.servlet.context-path=
  • global.js
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    var CONTEXT_PATH = "";
  • HomeController
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    @RequestMapping(path = "/", method = RequestMethod.GET)
    public String root() {
        return "forward:/index";
    }
  • pom.xml
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    <packaging>war</packaging>

    <build>
        <finalName>ROOT</finalName>
    </build>
  • application.properties
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    # profile
    spring.profiles.active=produce
    # logback
    logging.config=classpath:logback-spring-${spring.profiles.active}.xml
  • 配置文件
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    application-develop.properties、logback-spring-develop.xml
    application-produce.properties、logback-spring-produce.xml
  • application-produce.properties
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    # ServerProperties
    server.port=8080
    server.servlet.context-path=
    # ThymeleafProperties
    spring.thymeleaf.cache=true
    # DataSourceProperties
    spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
    spring.datasource.url=jdbc:mysql://localhost:3306/community?characterEncoding=utf-8&useSSL=false&serverTimezone=Hongkong&allowPublicKeyRetrieval=true
    spring.datasource.username=root
    spring.datasource.password=Nowcoder_123
    spring.datasource.type=com.zaxxer.hikari.HikariDataSource
    spring.datasource.hikari.maximum-pool-size=15
    spring.datasource.hikari.minimum-idle=5
    spring.datasource.hikari.idle-timeout=30000
    # community
    community.path.domain=http://192.168.3.129
    community.path.upload=/tmp/uploads
    # wk
    wk.image.command=/opt/wkhtmltoimage.sh
    wk.image.storage=/tmp/wk-images
  • logback-spring-produce.xml
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    <?xml version="1.0" encoding="UTF-8"?>
    <configuration>
        <contextName>community</contextName>
        <property name="LOG_PATH" value="/tmp"/>
        <property name="APPDIR" value="community"/>
    </configuration>
  • CommunityServletInitializer: 新增
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    public class CommunityServletInitializer extends SpringBootServletInitializer {

        @Override
        protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
            return builder.sources(CommunityApplication.class);
        }
    }

正式部署

  • mvn 打包
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    cd /root
    ll
    unzip -d /root community-deploy.zip 
    cd community
    mvn clean package -Dmaven.test.skip=true (忽略测试，第一次会下载比较慢)
    mvn打包失败-图示
    解决方法：
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    yum install -y java-1.8.0-openjdk-devel (JDK)
    mvn打包成功-图示
  • kafka 依赖版本问题
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    ll
    cd target/
    ll
    mv ROOT.war /opt/apache-tomcat-9.0.31/webapps/
    ll
    cd /opt/apache-tomcat-9.0.31/webapps/
    ll
    startup.sh
    cd ..
    ll
    cd logs/
    vim catalina.2020-06-16.log 
    cd /tmp
    cd /community
    ll
    解决方法：pom.xml文件，去掉 kafka 依赖版本。
    kafka依赖版本问题-图示

项目部署日志

项目部署日志-图示

项目部署成功

项目部署成功-图示

发帖测试

能点赞，redis 正常。
发帖测试-图示

消息测试

能收发消息，kafka 正常。
消息测试-图示

搜索测试

搜索关键词，elasticsearch 正常。
搜索测试-图示

修改头像

修改头像成功，wkhtmltoimage、七牛云正常。
修改头像-图示

参考资料

#问答平台
问答平台（8），项目部署
https://lcf163.github.io/2020/06/24/问答平台（8），项目部署/
作者
乘风的小站
发布于
2020年6月24日
许可协议