Nginx-Reverse-Proxy/nginx.conf at main · halfy1/Nginx-Reverse-Proxy · GitHub

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user nginx;
worker_processes auto;

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

events {
    worker_connections 1024;
    use epoll;
    multi_accept on;
}

http {
    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    # JSON formatted access logs
    log_format main_json escape=json '{'
        '"time_local": "$time_local", '
        '"remote_addr": "$remote_addr", '
        '"remote_user": "$remote_user", '
        '"request": "$request", '
        '"status": "$status", '
        '"body_bytes_sent": "$body_bytes_sent", '
        '"request_time": "$request_time", '
        '"upstream_addr": "$upstream_addr", '
        '"upstream_response_time": "$upstream_response_time", '
        '"upstream_status": "$upstream_status", '
        '"http_referer": "$http_referer", '
        '"http_user_agent": "$http_user_agent", '
        '"http_x_forwarded_for": "$http_x_forwarded_for"'
    '}';

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

    # Performance optimizations
    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;

    # Hide Nginx version
    server_tokens off;

    # Gzip compression
    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_comp_level 6;
    gzip_proxied any;
    gzip_types
        text/plain
        text/css
        text/xml
        text/javascript
        application/json
        application/javascript
        application/xml
        application/xml+rss
        application/x-javascript
        image/svg+xml
        application/x-font-ttf
        font/opentype;

    # Proxy cache configuration
    proxy_cache_path /var/cache/nginx/app1
                     levels=1:2
                     keys_zone=app1_cache:10m
                     max_size=100m
                     inactive=60m
                     use_temp_path=off;

    proxy_cache_path /var/cache/nginx/app2
                     levels=1:2
                     keys_zone=app2_cache:10m
                     max_size=50m
                     inactive=30m
                     use_temp_path=off;

    # Rate limiting zones
    limit_req_zone $binary_remote_addr zone=api_limit:10m rate=10r/s;
    limit_req_zone $binary_remote_addr zone=general_limit:10m rate=50r/s;

    # Default proxy headers (inherited by all locations)
    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-Proto $scheme;

    # Default proxy timeouts
    proxy_connect_timeout 30s;
    proxy_send_timeout 30s;
    proxy_read_timeout 30s;

    # Security headers (can be overridden in server blocks)
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header X-XSS-Protection "1; mode=block" always;

    # Include server configurations
    include /etc/nginx/conf.d/*.conf;
}