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nginx trusted X-Forwarded-For from every RFC1918 address, so a client reaching it from one could write a new address on each request and get a fresh rate-limit allowance. The container's TRUSTED_PROXIES now names the reverse proxies nginx trusts, none by default. bin/entrypoint.sh refuses a value with a character no IP address or CIDR has, and writes one set_real_ip_from line per entry into /etc/nginx/trusted-proxies.conf, which nginx.conf includes. The backend is started with TRUSTED_PROXIES=127.0.0.1/32, since nginx is its only client. The viewport test mounts an empty file there. Model: opus-5-5
56 lines
1.8 KiB
Nginx Configuration File
56 lines
1.8 KiB
Nginx Configuration File
# A template: the nginx image renders it into conf.d at container start,
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# filling in PORT and nothing else. bin/entrypoint.sh sets PORT and that
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# limit.
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server {
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listen ${PORT};
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server_name _;
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# Keep the nginx version out of the Server header and error pages.
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server_tokens off;
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root /usr/share/nginx/html;
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index index.html;
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# The client address comes from X-Forwarded-For only on a request
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# from the reverse proxies in TRUSTED_PROXIES: bin/entrypoint.sh
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# writes one set_real_ip_from line for each into this file, and
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# leaves it empty when TRUSTED_PROXIES is unset, so that by default
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# the client address is the one each request comes from.
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include /etc/nginx/trusted-proxies.conf;
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real_ip_header X-Forwarded-For;
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real_ip_recursive on;
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# Access log to stdout (Docker best practice)
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access_log /dev/stdout combined;
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error_log /dev/stderr warn;
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location / {
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try_files $uri $uri/ /index.html;
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}
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# Cache static assets aggressively
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location /assets/ {
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expires 1y;
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add_header Cache-Control "public, immutable";
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}
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# netwatch-server, the Go backend, runs in the same container and
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# listens on loopback only: bin/entrypoint.sh starts it on
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# 127.0.0.1:8081. These headers go with every request passed to it.
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# X-Forwarded-For carries only the client address, as resolved by
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# the real IP settings above, and not the chain the request came
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# with: the backend takes the first entry, which a client can write.
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $remote_addr;
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proxy_set_header X-Forwarded-Proto $scheme;
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location /api/ {
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proxy_pass http://127.0.0.1:8081;
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}
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location = /.well-known/healthcheck {
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proxy_pass http://127.0.0.1:8081;
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}
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}
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