ansible/templates/nginx.conf

   1 proxy_cache_path /var/cache/lemmy_frontend levels=1:2 keys_zone=lemmy_frontend_cache:10m max_size=100m                 use_temp_path=off;
   2 limit_req_zone $binary_remote_addr zone=lemmy_ratelimit:10m rate=1r/s;
   3
   4 server {
   5     listen 80;
   6     server_name {{ domain }};
   7     location /.well-known/acme-challenge/ {
   8         root /var/www/certbot;
   9     }
  10     location / {
  11         return 301 https://$host$request_uri;
  12     }
  13 }
  14
  15 server {
  16     listen 443 ssl http2;
  17     server_name {{ domain }};
  18
  19     ssl_certificate /etc/letsencrypt/live/{{domain}}/fullchain.pem;
  20     ssl_certificate_key /etc/letsencrypt/live/{{domain}}/privkey.pem;
  21
  22     # Various TLS hardening settings
  23     # https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html
  24     ssl_protocols TLSv1.2 TLSv1.3;
  25     ssl_prefer_server_ciphers on;
  26     ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256';
  27     ssl_session_timeout  10m;
  28     ssl_session_cache shared:SSL:10m;
  29     ssl_session_tickets off;
  30     ssl_stapling on;
  31     ssl_stapling_verify on;
  32
  33     # Hide nginx version
  34     server_tokens off;
  35
  36     # Enable compression for JS/CSS/HTML bundle, for improved client load times.
  37     # It might be nice to compress JSON, but leaving that out to protect against potential
  38     # compression+encryption information leak attacks like BREACH.
  39     gzip on;
  40     gzip_types text/css application/javascript image/svg+xml;
  41     gzip_vary on;
  42
  43     # Only connect to this site via HTTPS for the two years
  44     add_header Strict-Transport-Security "max-age=63072000";
  45
  46     # Various content security headers
  47     add_header Referrer-Policy "same-origin";
  48     add_header X-Content-Type-Options "nosniff";
  49     add_header X-Frame-Options "DENY";
  50     add_header X-XSS-Protection "1; mode=block";
  51
  52     # Upload limit for pictrs
  53     client_max_body_size 20M;
  54
  55     # Rate limit
  56     limit_req zone=lemmy_ratelimit burst=30 nodelay;
  57
  58     location / {
  59         proxy_pass http://0.0.0.0:8536;
  60         proxy_set_header X-Real-IP $remote_addr;
  61         proxy_set_header Host $host;
  62         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  63
  64         # WebSocket support
  65         proxy_http_version 1.1;
  66         proxy_set_header Upgrade $http_upgrade;
  67         proxy_set_header Connection "upgrade";
  68
  69         # Proxy Cache
  70         proxy_cache             lemmy_frontend_cache;
  71         proxy_cache_use_stale   error timeout http_500 http_502 http_503 http_504;
  72         proxy_cache_revalidate  on;
  73         proxy_cache_lock        on;
  74         proxy_cache_min_uses    5;
  75     }
  76
  77     # Redirect pictshare images to pictrs
  78     location ~ /pictshare/(.*)$ {
  79       return 301 /pictrs/image/$1;
  80     }
  81
  82     # pict-rs images
  83     location /pictrs {
  84       location /pictrs/image {
  85         proxy_pass http://0.0.0.0:8537/image;
  86         proxy_set_header X-Real-IP $remote_addr;
  87         proxy_set_header Host $host;
  88         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  89       }
  90       # Block the import
  91       return 403;
  92     }
  93
  94     location /iframely/ {
  95       proxy_pass http://0.0.0.0:8061/;
  96       proxy_set_header X-Real-IP $remote_addr;
  97       proxy_set_header Host $host;
  98       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  99     }
 100 }
 101
 102 # Anonymize IP addresses
 103 # https://www.supertechcrew.com/anonymizing-logs-nginx-apache/
 104 map $remote_addr $remote_addr_anon {
 105   ~(?P<ip>\d+\.\d+\.\d+)\.    $ip.0;
 106   ~(?P<ip>[^:]+:[^:]+):       $ip::;
 107   127.0.0.1                   $remote_addr;
 108   ::1                         $remote_addr;
 109   default                     0.0.0.0;
 110 }
 111 log_format main '$remote_addr_anon - $remote_user [$time_local] "$request" '
 112 '$status $body_bytes_sent "$http_referer" "$http_user_agent"';
 113 access_log /var/log/nginx/access.log main;