如何使用docker和nginx在同一个服务器上运行多个网站？

我试图在同一台服务器上用不同的ip运行两个django网站，出现了端口繁忙的错误，我修复了端口，但网站没有启动。请告诉我哪里出错了？IP正常，当我进入第二个IP时，我得到了重定向到第一个网站。所有的设置都是为第二个网站指定的。在最后，我加入了第一个网站的nginx设置

这是第二个docker-compose文件和它的设置。我将非常感谢您的帮助

.environment

#Django
# Should be one of dev, prod
MODE=prod
PORT=8008
#postgres
DB_NAME=xxx
DB_USER=xxx
DB_HOST=xxx
DB_PASSWORD=xxxx
DB_PORT=5432
POSTGRES_PASSWORD=mysecretpassword
#WSGI
WSGI_PORT=8008
WSGI_WORKERS=4
WSGI_LOG_LEVEL=debug
# Celery
CELERY_NUM_WORKERS=2
# Email
EMAIL_HOST_USER=xxxx
EMAIL_HOST_PASSWORD=xxxx
docker-compose.yml
version: '3'
services:
backend:
build: ./
container_name: site_container
restart: always
command: ./commands/start_server.sh
ports:
- "${PORT}:${WSGI_PORT}"
volumes:
- ./src:/srv/project/src
- ./commands:/srv/project/commands
- static_content:/var/www/site
env_file:
- .env
depends_on:
- postgres
postgres:
image: postgres:12
volumes:
- pg_data:/var/lib/postgresql/data
env_file:
- .env
#    environment:
#      - DJANGO_SETTINGS_MODULE=app.settings.${MODE}
nginx:
image: nginx:1.19
volumes:
- ./nginx:/etc/nginx/conf.d
- static_content:/var/www/site
ports:
- 81:80
- 444:443
env_file:
- .env
depends_on:
- backend
volumes:
pg_data: {}
  static_content: {}
default.conf
server {
    listen 80 default_server;
    server_name 183.22.332.12;
    location /static/ {
        root /var/www/site;
    location /media/ {
        root /var/www/site;
    location / {
        proxy_set_header Host $host;
        proxy_pass http://backend:8010;
第一个站点的default.conf
server {
    #listen 80 default_server;
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name site1 ip_site1;
    ssl_certificate /etc/letsencrypt/live/site1/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/site1/privkey.pem;
    ssl_trusted_certificate /etc/letsencrypt/live/site1/chain.pem;
    location /static/ {
        root /var/www/artads;
    location /media/ {
        root /var/www/artads;
    location / {
        proxy_set_header Host $host;
        proxy_pass http://backend:8008;
server {
    listen 80 default_server;
    server_name ip_site2 site2;
    location /static/ {
        root /var/www/gdr_mr;
    location /media/ {
        root /var/www/gdr_mr;
    location / {
        proxy_set_header Host $host;
        proxy_pass http://backend:8013;
server {
        listen 80;
        listen [::]:80;
        server_name www.site1 site1;
        location / {
                return 301 https://site1$request_uri;