Add uWSGI support

Dockerfile

@@ -25,6 +25,7 @@ RUN apk add --no-cache \
         nginx \
         nginx-mod-http-headers-more
 COPY src /
+ENV PROXY_UWSGI=0
 ENV LISTEN_PORT=80
 ENV STATIC_LOCATIONS=
 EXPOSE 80
@@ -36,11 +37,16 @@ CMD ["nginx", "-g", "daemon off;"]
 # Run tests
 ############
 FROM base AS test
-RUN apk add --no-cache curl go
+RUN apk add --no-cache curl go uwsgi-python3
+
 COPY test /test
 WORKDIR /test
 RUN /test/test.sh
 
+COPY test_uwsgi /test_uwsgi
+WORKDIR /test_uwsgi
+RUN /test_uwsgi/test.sh
+
 ############
 # Final 
 ############

README.md

@@ -13,6 +13,7 @@ Pair nginx-proxy with your favorite upstream server (wsgi, uwsgi, asgi, et al.)
 | `SERVER_NAME` | Allowed server names (hostnames) | Yes | | |
 | `SILENT` | Silence entrypoint output | No | | |
 | `STATIC_LOCATIONS` | Static asset mappings | No | | |
+| `PROXY_UWSGI` | Whether to use native uwsgi support | No | 0 | 1 |
 
 ### Hosting Static Assets
 
@@ -41,6 +42,13 @@ volumes:
 
 The syntax of `STATIC_LOCATIONS` is `HOSTED_PATH1:LOCAL_PATH1,HOSTED_PATH2:LOCAL_PATH2`
 
+## uWSGI
+
+If you wish to use this service with uWSGI then define `PROXY_UWSGI=1` and set
+`PROXY_REVERSE_URL` to be the uwsgi `--socket` address of your app. (Do not
+use `http://`, ex. if your uwsgi server is hosting itself at `--socket :8000`
+then set `PROXY_REVERSE_URL=localhost:8000`.)
+
 ## Development
 
 A test suite is baked into nginx-proxy's Dockerfile. You can run it by building

src/etc/nginx/templates/default.conf.template

@@ -18,11 +18,20 @@ server {
   add_header X-XSS-Protection "1; mode=block";
   add_header X-Content-Type-Options "nosniff";
 
+  {{ if (eq .Env.PROXY_UWSGI "1") }}
+  location / {
+    uwsgi_pass {{ .Env.PROXY_REVERSE_URL }};
+    uwsgi_param HTTP_X_REQUEST_ID $request_id;
+    uwsgi_param HTTP_HOST $host;
+    include uwsgi_params;
+  }
+  {{ else }}
   location / {
     proxy_pass {{ .Env.PROXY_REVERSE_URL }};
     proxy_set_header X-Request-ID $request_id;
     proxy_set_header Host $host;
   }
+  {{ end }}
 
   {{ if .Env.STATIC_LOCATIONS }}
   {{ range (.Env.STATIC_LOCATIONS | strings.Split "," )}}

test/test.sh

@@ -33,3 +33,6 @@ cleanup() {
 trap cleanup EXIT
 
 TEST_URL="http://localhost:8080" go test
+
+# Clean up, but leave this file if it fails
+rm /etc/nginx/conf.d/default.conf

test_uwsgi/app.py

@@ -0,0 +1,3 @@
+def application(env, start_response):
+    start_response('200 OK', [('Content-Type','text/html')])
+    return [b"Hello World"]

test_uwsgi/test.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+
+set -e
+
+function fail {
+    echo "$@" >&2
+    exit 1
+}
+
+LISTEN_PORT="8080" \
+PROXY_REVERSE_URL="localhost:8081" \
+SERVER_NAME="localhost" \
+PROXY_UWSGI="1" \
+STATIC_LOCATIONS="/static/:/test/static/" \
+  /docker-entrypoint.sh
+
+# Start test server
+uwsgi --socket ":8081" --master --plugin python --wsgi-file app.py &
+app=$!
+
+# Start reverse proxy
+nginx -g "daemon off;" &
+nginx=$!
+
+sleep 1
+
+cleanup() {
+  kill $nginx
+  kill $app
+}
+
+trap cleanup EXIT
+
+curl -fs http://localhost:8080/ || fail "Failed to get /"