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Support TCP and UDP proxy

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This commit is contained in:
KagurazakaNyaa 2022-10-28 10:33:55 +08:00 committed by Nicolas Duchon
parent f964176106
commit 12c4f0c7c2
3 changed files with 62 additions and 2 deletions
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4
Dockerfile.alpine
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@ -17,8 +17,10 @@ ENV NGINX_PROXY_VERSION=${NGINX_PROXY_VERSION} \
RUN apk add --no-cache --virtual .run-deps bash openssl
# Configure Nginx
RUN sed -i 's/worker_connections.*;$/worker_connections 10240;/' /etc/nginx/nginx.conf \
RUN echo -e "\ninclude /etc/nginx/toplevel.conf.d/*.conf;" >> /etc/nginx/nginx.conf \
&& sed -i 's/worker_connections.*;$/worker_connections 10240;/' /etc/nginx/nginx.conf \
&& sed -i -e '/^\}$/{s//\}\nworker_rlimit_nofile 20480;/;:a' -e '$!N;$!ba' -e '}' /etc/nginx/nginx.conf \
&& mkdir -p '/etc/nginx/toplevel.conf.d' \
&& mkdir -p '/etc/nginx/dhparam' \
&& mkdir -p '/etc/nginx/certs'

4
Dockerfile.debian
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@ -14,8 +14,10 @@ ENV NGINX_PROXY_VERSION=${NGINX_PROXY_VERSION} \
DOCKER_HOST=unix:///tmp/docker.sock
# Configure Nginx
RUN sed -i 's/worker_connections.*;$/worker_connections 10240;/' /etc/nginx/nginx.conf \
RUN echo "\ninclude /etc/nginx/toplevel.conf.d/*.conf;" >> /etc/nginx/nginx.conf \
&& sed -i 's/worker_connections.*;$/worker_connections 10240;/' /etc/nginx/nginx.conf \
&& sed -i -e '/^\}$/{s//\}\nworker_rlimit_nofile 20480;/;:a' -e '$!N;$!ba' -e '}' /etc/nginx/nginx.conf \
&& mkdir -p '/etc/nginx/toplevel.conf.d' \
&& mkdir -p '/etc/nginx/dhparam' \
&& mkdir -p '/etc/nginx/certs'

56
docs/README.md
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@ -11,6 +11,7 @@
- [HTTP/2 and HTTP/3](#http2-and-http3)
- [Headers](#headers)
- [Custom Nginx Configuration](#custom-nginx-configuration)
- [TCP and UDP stream](#tcp-and-udp-stream)
- [Unhashed vs SHA1 upstream names](#unhashed-vs-sha1-upstream-names)
- [Separate Containers](#separate-containers)
- [Docker Compose](#docker-compose)
@ -699,6 +700,61 @@ Per virtual-host `servers_tokens` directive can be configured by passing appropr
⬆️ [back to table of contents](#table-of-contents)
## TCP and UDP stream
If you want to proxy non-HTTP traffic, you can use nginx's stream module. Write a configuration file and mount it inside `/etc/nginx/toplevel.conf.d`.
```nginx
# stream.conf
stream {
upstream stream_backend {
server backend1.example.com:12345;
server backend2.example.com:12345;
server backend3.example.com:12346;
# ...
}
server {
listen 12345;
#TCP traffic will be forwarded to the "stream_backend" upstream group
proxy_pass stream_backend;
}
server {
listen 12346;
#TCP traffic will be forwarded to the specified server
proxy_pass backend.example.com:12346;
}
upstream dns_servers {
server 192.168.136.130:53;
server 192.168.136.131:53;
# ...
}
server {
listen 53 udp;
#UDP traffic will be forwarded to the "dns_servers" upstream group
proxy_pass dns_servers;
}
# ...
}
```
```console
docker run --detach \
--name nginx-proxy \
--publish 80:80 \
--publish 12345:12345 \
--publish 12346:12346 \
--publish 53:53:udp \
--volume /var/run/docker.sock:/tmp/docker.sock:ro \
--volume ./stream.conf:/etc/nginx/toplevel.conf.d/stream.conf:ro \
nginxproxy/nginx-proxy:1.5
```
Please note that TCP and UDP stream are not core features of nginx-proxy, so the above is provided as an example only, without any guarantee.
⬆️ [back to table of contents](#table-of-contents)
## Unhashed vs SHA1 upstream names
By default the nginx configuration `upstream` blocks will use this block's corresponding hostname as a predictable name. However, this can cause issues in some setups (see [this issue](https://github.com/nginx-proxy/nginx-proxy/issues/1162)). In those cases you might want to switch to SHA1 names for the `upstream` blocks by setting the `SHA1_UPSTREAM_NAME` environment variable to `true` on the nginx-proxy container.