This repro uses:
actix-http server that returns 200 OK without reading the request bodyproxy_request_buffering ondocker compose up --buildIn another shell:
dd if=/dev/zero bs=1m count=512 2>/dev/null | curl -v --http1.1 --data-binary @- http://127.0.0.1:18081/curl receives:
HTTP/1.1 100 Continue
HTTP/1.1 502 Bad Gateway
nginx logs:
writev() failed (32: Broken pipe) while sending request to upstream
| [package] | |
| name = "issue3967-minimal" | |
| version = "0.1.0" | |
| edition = "2021" | |
| [dependencies] | |
| actix-http = "3.12" | |
| actix-rt = "2.11" | |
| actix-server = "2.6" |
| services: | |
| server: | |
| build: | |
| context: . | |
| dockerfile: Dockerfile.server | |
| nginx: | |
| image: nginx:1.29 | |
| depends_on: | |
| - server | |
| ports: | |
| - "18081:80" | |
| volumes: | |
| - ./nginx.conf:/etc/nginx/nginx.conf:ro |
| FROM rust:1.91-bookworm AS build | |
| WORKDIR /app | |
| COPY Cargo.toml Cargo.lock* ./ | |
| COPY src ./src | |
| RUN cargo build --release | |
| FROM debian:bookworm-slim | |
| WORKDIR /app | |
| COPY --from=build /app/target/release/issue3967-minimal /usr/local/bin/issue3967-minimal | |
| EXPOSE 8080 | |
| CMD ["/usr/local/bin/issue3967-minimal"] |
| use std::{convert::Infallible, io}; | |
| use actix_http::{HttpService, Request}; | |
| use actix_server::Server; | |
| async fn handler(_req: Request) -> Result<&'static str, Infallible> { | |
| Ok("ok") | |
| } | |
| #[actix_rt::main] | |
| async fn main() -> io::Result<()> { | |
| let factory = || HttpService::build().finish(handler).tcp(); | |
| Server::build() | |
| .bind("issue3967", ("0.0.0.0", 8080), factory)? | |
| .run() | |
| .await | |
| } |
| worker_processes 1; | |
| events { | |
| worker_connections 1024; | |
| } | |
| http { | |
| access_log /var/log/nginx/access.log; | |
| error_log /var/log/nginx/error.log info; | |
| proxy_request_buffering on; | |
| client_body_buffer_size 10m; | |
| client_max_body_size 5g; | |
| server { | |
| listen 80; | |
| location / { | |
| proxy_http_version 1.1; | |
| proxy_pass http://server:8080; | |
| } | |
| } | |
| } |