infrastructure/nginx-conf/wordpress.conf

include /etc/nginx/conf.d/sub/cache-fastcgi.conf;

# All upstream serveur
upstream wordpress_server {
        # ip_hash;
        server wordpress:9000;
        # server wordpress:9000 weight=1 max_fails=3 fail_timeout=30s;
}

# Redirect all http requests to the main server wordpress_server
server {
        listen 80;
        listen [::]:80;

        server_name wordpress.bensuperpc.org www.wordpress.bensuperpc.org;

        location ~ /.well-known/acme-challenge {
                allow all;
                root /var/www/wordpress;
        }

        location / {
                return 301 https://$host$request_uri;
        }
}

# Main server wordpress_server
server {
        listen 443 ssl http2;
        listen [::]:443 ssl http2;
        server_name wordpress.bensuperpc.org www.wordpress.bensuperpc.org;

        root /var/www/wordpress;
        index index.php index.html index.htm;

        # Keepalive for 70 seconds
        keepalive_timeout 70;

        # Number of requests per connection
        keepalive_requests 100;

        reset_timedout_connection on;

        # Increase proxy buffers for large requests
        proxy_buffer_size 128k;
        proxy_buffers 4 256k;
        proxy_busy_buffers_size 256k;

        fastcgi_buffer_size 128k;
        fastcgi_buffers 256 16k;
        fastcgi_busy_buffers_size 256k;
        fastcgi_temp_file_write_size 256k;

        # Upload limit
        client_max_body_size 50m;
        client_body_buffer_size 128k;

        # Initialize the variable that specified to skip the cache
        set $skip_cache 0;

        # POST requests and url's with a query string should always skip cache
        if ($request_method = POST) {
                set $skip_cache 1;
        }
        if ($query_string != "") {
                set $skip_cache 1;
        }

        # Don't cache url's containing the following segments
        if ($request_uri ~* "/wp-admin/|/xmlrpc.php|wp-.*.php|/feed/|index.php|sitemap(_index)?.xml") {
                set $skip_cache 1;
        }

        # Don't use the cache for logged in users or recent commenters
        if ($http_cookie ~* "comment_author|wordpress_[a-f0-9]+|wp-postpass|wordpress_no_cache|wordpress_logged_in") {
                set $skip_cache 1;
        }

        server_tokens off;

        include /etc/nginx/conf.d/sub/gzip.conf;
        
        # All things related to SSL
        ssl_certificate /etc/letsencrypt/live/bensuperpc.org/fullchain.pem;
        ssl_certificate_key /etc/letsencrypt/live/bensuperpc.org/privkey.pem;
        ssl_trusted_certificate /etc/letsencrypt/live/bensuperpc.org/chain.pem;

        include /etc/nginx/conf.d/sub/options-ssl-nginx.conf;

        # Logging
        access_log /var/log/nginx/wordpress.access.log;
        error_log  /var/log/nginx/wordpress.error.log;

        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 * data: 'unsafe-eval' 'unsafe-inline'" always;
        add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always;

        location / {
                try_files $uri $uri/ /index.php$is_args$args;
                #  try_files $uri $uri/ /index.php?$args;
        }

        location ~ \.php$ {
                try_files $uri =404;
                fastcgi_split_path_info ^(.+\.php)(/.+)$;
                fastcgi_pass wordpress_server;
                fastcgi_index index.php;
                include fastcgi_params;

                # Necessary to avoid 404 error when changing the wordpress path
                #fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
                fastcgi_param SCRIPT_FILENAME /var/www/html$fastcgi_script_name;

                fastcgi_param PATH_INFO $fastcgi_path_info;
                
                fastcgi_intercept_errors on;

                # Don't cache when $skip_cache is true
                fastcgi_cache_bypass $skip_cache;
                fastcgi_no_cache $skip_cache;

                # Use the WORDPRESS zone
                fastcgi_cache WORDPRESS;
        }

        # Don't write to accesslog for these files
        location = /favicon.ico {
                log_not_found off;
                access_log off;
        }
        location = /robots.txt {
                allow all;
                log_not_found off;
                access_log off;
        }

        # Media files with one of these extensions should be cached by the browser
        location ~* \.(xml|ogg|ogv|svg|svgz|eot|otf|woff|mp4|ttf|css|rss|atom|js|jpg|jpeg|gif|png|ico|zip|tgz|gz|rar|bz2|doc|xls|exe|ppt|tar|mid|midi|wav|bmp|rtf)$ {
                expires max;
                log_not_found off;
        }

        # Deny access to .* files
        location ~ /\. {
                deny all;
                access_log off;
                log_not_found off;
        }
        
        # Add cache status header for easy debugging
        add_header X-cache $upstream_cache_status;

        # From cat /etc/resolv.conf
        resolver 8.8.8.8;

        # Some parts of this file are from
        # https://gist.github.com/TrafeX/6d582b6d040702088722
}