52 lines
2.0 KiB
Plaintext
52 lines
2.0 KiB
Plaintext
events {
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worker_connections 1024;
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}
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http {
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upstream k8s_lb {
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# Alaska deliveries LoadBalancer NodePort (8201 service -> 30662 node port)
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server host.docker.internal:30662;
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server 66.116.226.234:30662 backup;
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}
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server {
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listen 8201;
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server_name _;
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location / {
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# Handle OPTIONS preflight requests BEFORE proxying
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if ($request_method = 'OPTIONS') {
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add_header 'Access-Control-Allow-Origin' '*' always;
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add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, PATCH, DELETE, OPTIONS' always;
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add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,Authorization' always;
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add_header 'Access-Control-Max-Age' 1728000 always;
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add_header 'Content-Type' 'text/plain; charset=utf-8' always;
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add_header 'Content-Length' 0 always;
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return 204;
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}
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# Add CORS headers to all responses
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add_header 'Access-Control-Allow-Origin' '*' always;
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add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, PATCH, DELETE, OPTIONS' always;
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add_header 'Access-Control-Allow-Headers' '*' always;
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add_header 'Access-Control-Max-Age' '600' always;
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add_header 'Vary' 'Origin' always;
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# Proxy to Kubernetes LoadBalancer
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proxy_pass http://k8s_lb;
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# Hide upstream CORS headers to avoid duplicates with Nginx headers
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proxy_hide_header 'Access-Control-Allow-Origin';
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proxy_hide_header 'Access-Control-Allow-Methods';
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proxy_hide_header 'Access-Control-Allow-Headers';
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proxy_hide_header 'Access-Control-Max-Age';
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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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}
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