claude
94d3764c05
Build and Deploy Verso / deploy (push) Has been cancelled
Uploads from slow connections consistently fail with 502 after ~60-120s because an upstream proxy (Traefik or cloud load-balancer) has a "first response byte" deadline that fires before the request body arrives. Fix: add startStreamingResponse middleware (after auth, before multer) that immediately writes HTTP 200 + Transfer-Encoding: chunked + '\n'. With proxy_request_buffering off in Nginx, this reaches the proxy at T≈0, so no timeout triggers. The upload body continues streaming; multer writes to disk; the actual JSON result arrives as the final chunk. Periodic heartbeat '\n' writes every 30s keep response-idle timeouts at bay too. Client-side: override Uppy's getResponseData/validateStatus to trim leading whitespace before JSON.parse so the extra '\n' bytes are ignored. Server-side: sendUploadResponse() helper handles both streaming mode (res.headersSent → res.end(json)) and normal mode (res.status(N).json()). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
103 lines
3.0 KiB
Plaintext
103 lines
3.0 KiB
Plaintext
server {
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listen 80;
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server_name _; # Catch all, see http://nginx.org/en/docs/http/server_names.html
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root /overleaf/services/web/public/;
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# block external access to prometheus /metrics
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location /metrics {
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internal;
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}
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# File upload endpoints: extended timeouts for large files on slow connections.
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# proxy_request_buffering off: forward the request body to Node.js immediately
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# rather than buffering first, so Node.js can send a keepalive response byte
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# before the full body arrives (preventing upstream proxy "first-byte" timeouts).
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# proxy_buffering off: forward that keepalive byte to Traefik/LB without delay.
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location ~ ^/project/[^/]+/upload$ {
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proxy_pass http://127.0.0.1:4000;
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proxy_http_version 1.1;
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proxy_set_header Host $host;
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proxy_set_header X-Forwarded-Host $host;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_request_buffering off;
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proxy_buffering off;
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proxy_read_timeout 15m;
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proxy_send_timeout 15m;
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send_timeout 15m;
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client_body_timeout 15m;
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client_max_body_size 550m;
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}
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location / {
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proxy_pass http://127.0.0.1:4000;
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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 "upgrade";
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proxy_set_header Host $host;
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proxy_set_header X-Forwarded-Host $host;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_read_timeout 10m;
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proxy_send_timeout 10m;
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}
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location /socket.io {
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proxy_pass http://127.0.0.1:3026;
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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 "upgrade";
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proxy_set_header Host $host;
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proxy_set_header X-Forwarded-Host $host;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_read_timeout 10m;
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proxy_send_timeout 10m;
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}
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location /stylesheets {
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expires 1y;
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}
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location /minjs {
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expires 1y;
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}
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location /img {
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expires 1y;
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}
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# handle output files for specific users
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location ~ ^/project/([0-9a-f]+)/user/([0-9a-f]+)/build/([0-9a-f-]+)/output/output\.([a-z.]+)$ {
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proxy_pass http://127.0.0.1:8080; # clsi-nginx.conf
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proxy_http_version 1.1;
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}
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# handle output files for anonymous users
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location ~ ^/project/([0-9a-f]+)/build/([0-9a-f-]+)/output/output\.([a-z.]+)$ {
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proxy_pass http://127.0.0.1:8080; # clsi-nginx.conf
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proxy_http_version 1.1;
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}
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# PDF range for specific users
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location ~ ^/project/([0-9a-f]+)/user/([0-9a-f]+)/content/([0-9a-f-]+/[0-9a-f]+)$ {
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proxy_pass http://127.0.0.1:8080; # clsi-nginx.conf
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proxy_http_version 1.1;
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}
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# PDF range for anonymous users
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location ~ ^/project/([0-9a-f]+)/content/([0-9a-f-]+/[0-9a-f]+)$ {
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proxy_pass http://127.0.0.1:8080; # clsi-nginx.conf
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proxy_http_version 1.1;
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}
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# block external access to metrics
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location ~* ^/metrics/?$ {
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return 404 'Not found';
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}
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# block external access to all health checks /health_check, /health_check/full, etc
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location ~* ^/health_check {
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return 404 'Not found';
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}
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# Load any extra configuration for this vhost
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include /etc/nginx/vhost-extras/overleaf/*.conf;
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}
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