Dockerfile打包nginx镜像的实现步骤

FROM nginx

ENV WORK_DIR /project
ENV GATEWAY_IP=127.0.0.1

USER root
RUN mkdir ${WORK_DIR}

#拷贝前端项目
ADD chinaunicom-digitward-portal-web-view.tar.gz ${WORK_DIR}
ADD mdt-view.tar.gz ${WORK_DIR}
ADD unicom-cloud-medical-admin-view.tar.gz ${WORK_DIR}

#拷贝nginx配置文件
COPY nginx.conf /etc/nginx/nginx.conf
COPY 80.conf /etc/nginx/conf.d/default.conf

EXPOSE 80
#将 default.conf 内的${GATEWAY_IP}替换为环境变量的值(K8s部署的时候后端的ip地址时不固定的，需要动态读取)
CMD ["/bin/bash", "-c", "envsubst '${GATEWAY_IP}' < /etc/nginx/conf.d/default.conf > temp.conf; mv temp.conf /etc/nginx/conf.d/default.conf; nginx -g \"daemon off;\""]           

server {
    listen 80;

# 统一规则的前端代理
    location ~ /.*-view {
        root /project;
        index index.html index.htm;
    }

# 统一规则的前端代理
    location / {
     #访问根路径时跳转至 对应的路径   
     #$scheme读取请求的类型如：http,https 
     #$http_host 读取请求域名和端口
   	 return 301 $scheme://$http_host/web-view/#/login?UMSLogin=true&appUMSId=mdt;
   }

#病房网关 Websocker
    location /digit_ward_gateway/.*/ws {
	 proxy_set_header X-Real-IP $remote_addr;
   	 proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
   	 proxy_set_header Host $http_host;
   	 proxy_http_version 1.1;
   	 proxy_set_header Upgrade $http_upgrade;
    	 proxy_set_header Connection "upgrade";
	 proxy_read_timeout 3600;
 	 proxy_pass http://${GATEWAY_IP}:7777/;
}

# 数字化病房网关服务
    location /digit_ward_gateway/ {
    proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";

        proxy_set_header Host $proxy_host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_pass http://${GATEWAY_IP}:7777/;
    }

   # location /browser/ {
   	#proxy_set_header   X-Forwarded-Proto $scheme;
	#proxy_set_header   Host              $http_host;
	#proxy_set_header   X-Real-IP         $remote_addr;
    	#proxy_pass  ${SW_COLLECTOR};
   #}
}

user  nginx;
worker_processes  auto;

error_log  /var/log/nginx/error.log notice;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;
    
    charset  utf-8;
    server_tokens off;

    #允许websocket
     map $http_upgrade $connection_upgrade {
           default         keep-alive;
           'websocket'     upgrade;
     }


    log_format  access_json  
        '{
            "@timestamp":"$time_iso8601",'
            '"@version":"1",'
            '"client":"$remote_addr",'
            '"url":"$uri",'
            '"status":"$status",'
            '"domain":"$host",'
            '"host":"$server_addr",'
            '"size":"$body_bytes_sent",'
            '"responsentime":"$request_time",'
            '"referer":"$http_referer",'
            '"useragent":"$http_user_agent",'
            '"upstreampstatus":"$upstream_status",'
            '"upstreamaddr":"$upstream_addr",'
            '"upstreamresponsetime":"$upstream_response_time"'
        '}';

    access_log  /var/log/nginx/access.log  access_json;

    keepalive_timeout 3600;
    send_timeout 300;
    sendfile        on;
    client_max_body_size 10G;
    client_body_buffer_size 2m;
    fastcgi_connect_timeout 1800;
    fastcgi_send_timeout    1800;
    fastcgi_read_timeout    1800;
    fastcgi_buffer_size 64k;
    fastcgi_buffers 8 128k;
    fastcgi_busy_buffers_size 128k;
    fastcgi_temp_file_write_size 128k;
    proxy_connect_timeout   3600;
    proxy_send_timeout      1800;
    proxy_read_timeout      1800;
    gzip on;
    gzip_min_length 1k;
    gzip_buffers 4 16k;
    gzip_http_version 1.1;
    gzip_comp_level 3;
    gzip_types text/plain application/json application/javascript application/x-javascript application/css application/xml application/xml+rss text/javascript application/x-httpd-php image/jpeg image/gif image/png image/x-ms-bmp application/wasm;
    gzip_vary off;

    include /etc/nginx/conf.d/*.conf;
}