dotdev/nginx.conf at main · Vivek-Raman/dotdev · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
user  nginx;
worker_processes  auto;
error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;

# Events block
 events {
    worker_connections  1024;
}

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

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    # log_format  proxy_debug  '$remote_addr - $remote_user [$time_local] '
    #                          '"$request" '
    #                          'status=$status bytes=$body_bytes_sent '
    #                          'referer="$http_referer" '
    #                          'valid_referer=$valid_referer '
    #                          'host="$http_host" '
    #                          'upstream_status="$upstream_status" '
    #                          'upstream_response_time="$upstream_response_time" '
    #                          'request_uri="$request_uri" '
    #                          'args="$args" '
    #                          'location="$sent_http_location" '
    #                          'upstream_http_location="$upstream_http_location" '
    #                          'captured_path="$captured_path" '
    #                          'proxied_url="$proxied_url"';

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

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    # Public Pokedex Tracker data is shared by every visitor, so retain it briefly
    # at the edge while allowing a stale response during an upstream refresh.
    proxy_cache_path /var/cache/nginx/catchemall
                     levels=1:2
                     keys_zone=catchemall_api:10m
                     inactive=1h
                     max_size=100m;

    server {
        listen       80;
        server_name  _;

        # Security headers
        add_header X-Content-Type-Options nosniff;
        add_header X-Frame-Options DENY;
        add_header X-XSS-Protection "1; mode=block";

        # Gzip compression
        gzip on;
        gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

        # Specify DNS resolver for variables
        resolver 8.8.8.8 8.8.4.4 1.1.1.1 1.0.0.1 valid=300s;
        resolver_timeout 5s;  # Timeout for DNS resolution

        location ~ ^/gobble/static/(.*)$ {
            # access_log /var/log/nginx/proxy_debug.log proxy_debug;

            set $captured_path $1;

            # Prevent this public proxy from being used as an open PostHog relay.
            # Allow localhost plus the apex domain and its subdomains, with ports.
            set $valid_referer 0;
            if ($http_referer ~* "^https?://(localhost|([a-zA-Z0-9-]+\.)?vivekraman\.dev)(:[0-9]+)?(/|$)") {
                set $valid_referer 1;
            }
            if ($valid_referer = 0) {
                return 403;
            }

            set $posthog_static "https://us-assets.i.posthog.com/static/";
            set $proxied_url "$posthog_static$captured_path$is_args$args";
            # use variable to force proper DNS re-resolution, also must manually pass along path
            proxy_pass $proxied_url;
            proxy_set_header Host "us-assets.i.posthog.com";
            proxy_ssl_server_name on;
            proxy_set_header Cookie $http_cookie;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header X-Real-IP $remote_addr;
            # proxy_set_header Authorization $http_authorization;
        }

        location ~ ^/gobble/(.*)$ {
            # access_log /var/log/nginx/proxy_debug.log proxy_debug;

            set $captured_path $1;

            # Prevent this public proxy from being used as an open PostHog relay.
            # Allow localhost plus the apex domain and its subdomains, with ports.
            set $valid_referer 0;
            if ($http_referer ~* "^https?://(localhost|([a-zA-Z0-9-]+\.)?vivekraman\.dev)(:[0-9]+)?(/|$)") {
                set $valid_referer 1;
            }
            if ($valid_referer = 0) {
                return 403;
            }

            set $posthog_main "https://us.i.posthog.com/";
            set $proxied_url "$posthog_main$captured_path$is_args$args";
            # use variable to force proper DNS re-resolution, also must manually pass along path
            proxy_pass $proxied_url;
            proxy_set_header Host "us.i.posthog.com";
            proxy_ssl_server_name on;
            proxy_set_header Cookie $http_cookie;
            # proxy_set_header Authorization $http_authorization;
        }

        # The tracker API does not send a browser-accessible CORS header. Proxy its
        # API under one same-origin prefix. Keep this site's trailing-slash URLs,
        # while normalizing the upstream path because its API rejects them.
        location /catchemall/api/ {
            rewrite ^/catchemall/api/(.*)/$ /api/$1 break;
            rewrite ^/catchemall/api/(.*)$ /api/$1 break;
            proxy_pass https://pokedextracker.com;
            proxy_cache catchemall_api;
            proxy_cache_valid 200 14d;
            proxy_cache_valid 404 1m;
            proxy_cache_lock on;
            proxy_cache_background_update on;
            proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
            proxy_hide_header Cache-Control;
            add_header Cache-Control "public, max-age=1209600, stale-while-revalidate=1209600" always;
            proxy_set_header Host pokedextracker.com;
            proxy_ssl_server_name on;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header X-Real-IP $remote_addr;
        }

        # Sheet URLs include a content hash query parameter, so they can be cached
        # indefinitely and are replaced automatically after regeneration.
        location ^~ /catchemall/sprites/ {
            root /usr/share/nginx/html;
            try_files $uri =404;
            add_header Cache-Control "public, max-age=31536000, immutable" always;
        }

        # RFC 8288 Link headers on homepage; RFC 9727 api-catalog GET body (`application/linkset+json`)
        location = / {
            root   /usr/share/nginx/html;
            try_files /index.html =404;
            add_header X-Content-Type-Options nosniff;
            add_header X-Frame-Options DENY;
            add_header X-XSS-Protection "1; mode=block";
            add_header Link '</.well-known/api-catalog>; rel="api-catalog", </sitemap-index.xml>; rel="describedby"' always;
        }

        location = /.well-known/api-catalog {
            root         /usr/share/nginx/html;
            default_type application/linkset+json;
        }

        # Error pages
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   /usr/share/nginx/html;
        }

        # Serve static files
        location / {
            root   /usr/share/nginx/html;
            index  index.html index.htm;
        }
    }
}