perf: improve compression reliability and deployment safety

docker/Dockerfile

@@ -4,6 +4,7 @@ WORKDIR /app
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     cmake \
+    libdav1d-dev \
     nasm \
     pkg-config \
   && rm -rf /var/lib/apt/lists/*
@@ -27,6 +28,7 @@ FROM debian:bookworm-slim
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     ca-certificates \
+    libdav1d6 \
   && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app

docker/nginx.conf

@@ -28,7 +28,7 @@ http {
       proxy_pass http://imageforge_api;
       proxy_set_header Host $host;
       proxy_set_header X-Real-IP $remote_addr;
-      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+      proxy_set_header X-Forwarded-For $remote_addr;
       proxy_set_header X-Forwarded-Proto $scheme;
     }
 
@@ -36,7 +36,7 @@ http {
       proxy_pass http://imageforge_api;
       proxy_set_header Host $host;
       proxy_set_header X-Real-IP $remote_addr;
-      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+      proxy_set_header X-Forwarded-For $remote_addr;
       proxy_set_header X-Forwarded-Proto $scheme;
     }