502 Bad Gateway

[bilalmalik777]

I want to run my asp.net application at nginx server, But I am facing the following error in dev environment "502 Bad Gateway". Information of docker compose and nginx is given below respectively

-------docker compose ----------

`version: '3.4'

services: webapplication1: image: ${DOCKER_REGISTRY-}webapplication1 build: context: . dockerfile: WebApplication1/Dockerfile expose:

• "5050" networks:

• app-network

  db1: image: microsoft/mssql-server-linux container_name: db1 environment: SA_PASSWORD: "Thingtrax%1" ACCEPT_EULA: "Y" MSSQL_PID: Express ports:

  • "7004:1433" networks: app-network: ipv4_address: 172.27.0.3

  web_nginx: image: nginx ports:

• "8088:80" volumes:
• ${APPDATA}/nginx/nginx.conf:/etc/nginx/nginx.conf depends_on:
• webapplication1
• db1 networks:
• app-network container_name: web_nginx restart: always

networks: app-network: ipam: driver: default config:

• subnet: 172.27.0.0/16`

nginx.conf###

worker_processes 4;

events { worker_connections 1024; }

http { sendfile on;

upstream webapplication {
    server webapplication1:5050;
}

server {
    listen 80;

    location / {
        proxy_pass         http://webapplication;
        proxy_redirect     http://localhost http://webapplication;
        proxy_set_header   Host $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-Host $server_name;

    }
}

}

Please help me to solve this issue