From c546e853a82ec17dc3377511494c54b055b192e8 Mon Sep 17 00:00:00 2001
From: Zoey <zoey@z0ey.de>
Date: Thu, 15 Feb 2024 01:18:32 +0100
Subject: [PATCH] allow to disable proxy_buffering

---
 Dockerfile                             |  1 +
 compose.yaml                           |  1 +
 rootfs/usr/local/bin/start.sh          | 11 +++++++++++
 rootfs/usr/local/nginx/conf/nginx.conf |  5 +++++
 4 files changed, 18 insertions(+)

diff --git a/Dockerfile b/Dockerfile
index d8488ee9..bb51be94 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -124,6 +124,7 @@ ENV PUID=0 \
     DISABLE_HTTP=false \
     NGINX_ACCESS_LOG=false \
     NGINX_LOG_NOT_FOUND=false \
+    NGINX_DISABLE_PROXY_BUFFERING=false \
     CLEAN=true \
     FULLCLEAN=false \
     SKIP_IP_RANGES=false \
diff --git a/compose.yaml b/compose.yaml
index 869d8a40..fdae9d9b 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -31,6 +31,7 @@ services:
 #      - "DEFAULT_CERT_ID=1" # ID of cert, which should be used instead of dummycerts, default 0/unset/dummycerts
 #      - "DISABLE_HTTP=true" # disables nginx to listen on port 80, default false
 #      - "NGINX_LOG_NOT_FOUND=true" # Allow logging of 404 errors, default false
+#      - "NGINX_DISABLE_PROXY_BUFFERING=true" # Disabled the proxy-buffering option of nginx, default false
 #      - "CLEAN=false" # Clean folders, default true
 #      - "FULLCLEAN=true" # Clean unused config folders, default false
 #      - "SKIP_IP_RANGES=true" # Skip feteching/whitelisting ip ranges from aws and cloudflare, default false
diff --git a/rootfs/usr/local/bin/start.sh b/rootfs/usr/local/bin/start.sh
index 8bfad7f3..4ff12f46 100755
--- a/rootfs/usr/local/bin/start.sh
+++ b/rootfs/usr/local/bin/start.sh
@@ -136,6 +136,11 @@ if ! echo "$NGINX_LOG_NOT_FOUND" | grep -q "^true$\|^false$"; then
     sleep inf
 fi
 
+if ! echo "$NGINX_DISABLE_PROXY_BUFFERING" | grep -q "^true$\|^false$"; then
+    echo "NGINX_DISABLE_PROXY_BUFFERING needs to be true or false."
+    sleep inf
+fi
+
 if ! echo "$CLEAN" | grep -q "^true$\|^false$"; then
     echo "CLEAN needs to be true or false."
     sleep inf
@@ -735,6 +740,12 @@ else
     sed -i "s|log_not_found.*|log_not_found off;|g" /usr/local/nginx/conf/nginx.conf
 fi
 
+if [ "$NGINX_DISABLE_PROXY_BUFFERING" = "true" ]; then
+    sed -i "s|proxy_buffering.*|proxy_buffering off;|g" /usr/local/nginx/conf/nginx.conf
+else
+    sed -i "s|proxy_buffering.*|proxy_buffering on;|g" /usr/local/nginx/conf/nginx.conf
+fi
+
 if [ "$LOGROTATE" = "true" ]; then
     sed -i "s|access_log off; # http|access_log /data/nginx/access.log log;|g" /usr/local/nginx/conf/nginx.conf
     sed -i "s|access_log off; # stream|access_log /data/nginx/stream.log proxy;|g" /usr/local/nginx/conf/nginx.conf
diff --git a/rootfs/usr/local/nginx/conf/nginx.conf b/rootfs/usr/local/nginx/conf/nginx.conf
index 9bcaa9cd..a289b795 100644
--- a/rootfs/usr/local/nginx/conf/nginx.conf
+++ b/rootfs/usr/local/nginx/conf/nginx.conf
@@ -43,6 +43,11 @@ http {
     gunzip on;
     gzip_static on;
 
+    proxy_buffering on;
+    proxy_buffer_size 16k;
+    proxy_busy_buffers_size 24k;
+    proxy_buffers 64 4k;
+
     http2 on;
     http3 on;
     quic_gso on;