Chris Chen
61 lines
2.5 KiB
Plaintext
61 lines
2.5 KiB
Plaintext
# SignalR WebSocket upgrade. The /hubs/ block below sets the "Connection" header
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# to this variable: "upgrade" when the client sends an Upgrade header (WebSocket),
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# "close" otherwise (long-polling). nginx has no built-in $connection_upgrade, so
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# it MUST be defined here in the http context or nginx fails config test on start
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# ([emerg] unknown "connection_upgrade" variable) and keeps the old config.
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map $http_upgrade $connection_upgrade {
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default upgrade;
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'' close;
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}
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server {
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listen 80;
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server_name _;
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# Docker's embedded DNS. Using a variable for the upstream below forces nginx
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# to re-resolve via this resolver instead of caching the container IP at
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# startup — so api/app can be recreated (new IPs on redeploy) without nginx
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# holding a stale IP and returning 502.
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resolver 127.0.0.11 valid=10s ipv6=off;
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# API -> api container. The SPA calls same-origin /api/... (environment.prod.ts).
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location /api/ {
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# nginx defaults to 1 MB, which 413s phone-camera receipt uploads before they
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# reach the API. Keep this >= the largest API [RequestSizeLimit] (offerings = 50 MB)
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# so the per-endpoint limits in the controllers stay the real authority.
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client_max_body_size 50m;
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set $upstream_api api;
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proxy_pass http://$upstream_api:8080$request_uri;
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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 $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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}
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# SignalR hubs -> api container. Must be proxied to Kestrel like /api/; without
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# this block /hubs/* fell through to "location /" (the static app), whose nginx
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# 405s the negotiate POST so the connection never reaches the backend. The
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# Upgrade/Connection headers + http_version 1.1 let the WebSocket transport
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# establish instead of degrading to long-polling.
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location /hubs/ {
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set $upstream_api api;
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proxy_pass http://$upstream_api:8080$request_uri;
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection $connection_upgrade;
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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 $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_buffering off;
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proxy_read_timeout 100s;
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}
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# Everything else -> the Angular static app (its own nginx does SPA fallback).
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location / {
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set $upstream_app app;
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proxy_pass http://$upstream_app:80;
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}
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}
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