mkdir -p gitea/{data,config}
cd gitea \
   && sudo chown 1000:1000 config/ data/
vim docker-compose.yml

services:
  server:
    image: docker.gitea.com/gitea:1.25.2-rootless
    container_name: gitea
    restart: unless-stopped
    user: "1000"
    volumes:
      - ./data:/var/lib/gitea
      - ./config:/etc/gitea
      - /etc/timezone:/etc/timezone:ro
      - /etc/localtime:/etc/localtime:ro
    ports:
      - "127.0.0.1:33033:3000" # Gitea web & git with https
      - "127.0.0.1:11211:2222" # git with ssh

server {
    listen 80;
    listen [::]:80;
    # git.your.domain
    server_name git.via.moe;
    return 301 https://$host$request_uri;
}

server {
    listen 443 ssl;
    listen [::]:443 ssl;
    http2 on;
    # git.your.domain
    server_name git.via.moe;

    # your TLS/SSL cert
    ssl_certificate /path/to/your/sslcert.pem;
    ssl_certificate_key /path/to/your/sslcert.key;
    
    ssl_protocols TLSv1.2 TLSv1.3;
    ssl_ecdh_curve X25519:P-256:P-384;
    ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-CHACHA20-POLY1305:ECDHE+AES128:RSA+AES128:ECDHE+AES256:RSA+AES256';
    
    # for cloudflare cdn
    ssl_prefer_server_ciphers off;
    ssl_session_timeout 1d;
    ssl_session_cache shared:MozSSL:10m;
    
    # log
    access_log /var/log/nginx/gitea.access.log;
    error_log /var/log/nginx/gitea.error.log;

    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;

    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-XSS-Protection "1; mode=block" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "no-referrer-when-downgrade" always;
    add_header Content-Security-Policy "default-src 'self' http: https: data: blob: 'unsafe-inline'" always;

    location / {
        client_max_body_size 512M;
        proxy_pass http://127.0.0.1:33033;
        proxy_set_header Host $http_host;
        proxy_set_header X-Real-IP $realip_remote_addr;
        proxy_set_header X-Forwarded-For $realip_remote_addr;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Connection $http_connection;
        proxy_set_header Upgrade $http_upgrade;
    }
}