mastodon.conf

# Plausible Analytics - cache
# https://plausible.io/docs/proxy/guides/nginx
# Replace mydomain.example with your mastodon domain
# Replace plausible.domain with where you installed Plausible

proxy_cache_path /var/run/nginx-cache/jscache levels=1:2 keys_zone=jscache:100m inactive=30d  use_temp_path=off max_size=100m;

server {
        listen 443 ssl http2;
        listen [::]:443 ssl http2;
        root /home/mastodon; #point to your mastodon folder
        index index.html index.htm;

        server_name mydomain.example www.mydomain.example; 

        # Replace your domain in these paths
        ssl_certificate      /etc/letsencrypt/live/mydomain.example/fullchain.pem;
        ssl_certificate_key  /etc/letsencrypt/live/mydomain.example/privkey.pem;

        ssl_session_timeout  5m;
        ssl_prefer_server_ciphers On;
        ssl_protocols TLSv1 TLSv1.1 TLSv1.2;


        absolute_redirect off;
        server_name_in_redirect off;

        error_page 404 /404.html;
        error_page 410 /410.html;


        location / {
            proxy_set_header Host $http_host;
            proxy_set_header X-Forwarded-Proto https;

            proxy_pass http://127.0.0.1:3000; #confirm this is the port you are using
            
            # Plausible Analytics Script, with outbound-links enabled
            # this filter replaces the closing </body> with the script and </body>, effectively injecting the script before the end of the page; you could also replace </header> if you want the script to load sooner
            # replace with your domain and script
            sub_filter '</body>' '<script defer data-api="/api/event" data-domain="mydomain.example" src="/js/plausible.outbound-links.js"></script><script>window.plausible = window.plausible || function() { (window.plausible.q = window.plausible.q || []).push(arguments) }</script></body>';        
            sub_filter_once on;  
        }

        location ^~ /api/v1/streaming {
            proxy_set_header Host $http_host;
            proxy_set_header X-Forwarded-Proto https;

            proxy_pass http://127.0.0.1:4000; #confirm this is the port you are using


            proxy_buffering off;
            proxy_redirect off;
            proxy_http_version 1.1;
            tcp_nodelay on;
        }

        # PLAUSIBLE PROXY CONFIGURATION
        location = /js/plausible.outbound-links.js {
        # Change this if you use a different variant of the script
        # Replace plausible.domain with where you installed Plausible
        proxy_pass https://plausible.domain/js/plausible.outbound-links.js;
        proxy_set_header Host plausible.domain;
        proxy_ssl_name plausible.domain;
        proxy_ssl_server_name on;
        proxy_ssl_session_reuse off;


        # Tiny, negligible performance improvement. Very optional.
        proxy_buffering on;

        # Cache the script for 6 hours, as long as plausible.io returns a valid response
        proxy_cache jscache;
        proxy_cache_valid 200 6h;
        proxy_cache_use_stale updating error timeout invalid_header http_500;

        # Optional. Adds a header to tell if you got a cache hit or miss
        add_header X-Cache $upstream_cache_status;
    }

    location = /api/event {
        proxy_pass https://plausible.domain/api/event;
        proxy_set_header Host plausible.domain;
        proxy_ssl_name plausible.domain;
        proxy_ssl_server_name on;
        proxy_ssl_session_reuse off;
        proxy_buffering on;
        proxy_http_version 1.1;

        proxy_set_header X-Forwarded-For   $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host  $host;
    }

}