asepharyana
c5a9371e71
- Replace upstream blocks with variable-based proxy_pass + Docker DNS resolver (127.0.0.11) so nginx resolves hostnames dynamically on each request instead of caching at startup only. - Add explicit 'docker compose restart proxy' in CI deploy step (belt-and-suspenders: also forces nginx restart after deploy). - Remove no-op sed commands from CI (docker-compose.yml already uses GitLab registry, no ghcr.io replacements needed). Root cause: docker compose up -d only recreates containers whose image changed. When backend container is recreated (new Docker IP), nginx still caches the old IP → 502 Bad Gateway on /api/*
56 lines
2.1 KiB
Nginx Configuration File
56 lines
2.1 KiB
Nginx Configuration File
# Docker DNS resolver (127.0.0.11 = Docker's embedded DNS).
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# Required for variable-based proxy_pass below to resolve upstream
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# hostnames on each request instead of caching them at startup.
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# Without this, when backend/frontend containers are recreated (new IP),
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# nginx keeps pointing to stale IPs → 502 Bad Gateway.
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# Valid=10s re-resolves at most every 10 seconds to avoid excessive DNS queries.
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resolver 127.0.0.11 ipv6=off valid=10s;
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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 imphnen.asepharyana.my.id;
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# API proxy — matches /api and /api/*
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location ^~ /api {
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set $backend_url "http://backend:3000";
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proxy_pass $backend_url$uri$is_args$args;
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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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# WebSocket proxy — matches /ws and /ws/*
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location ^~ /ws {
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set $backend_url "http://backend:3000";
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proxy_pass $backend_url$uri$is_args$args;
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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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# WebSocket-specific: no buffering, longer timeouts
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proxy_buffering off;
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proxy_read_timeout 86400s;
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proxy_send_timeout 86400s;
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}
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# Frontend SPA fallback
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location / {
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set $frontend_url "http://frontend:3000";
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proxy_pass $frontend_url$uri$is_args$args;
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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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}
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