fix: Downgrade Python to 3.11 and use compatible dependency versions

Dockerfile

@@ -1,7 +1,7 @@
 ARG VARIANT=cpu
 
 # ---- CPU base ----
-FROM python:3.12-slim AS base-cpu
+FROM python:3.11-slim AS base-cpu
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     curl libgl1 libglib2.0-0 \
@@ -22,9 +22,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     && add-apt-repository ppa:deadsnakes/ppa \
     && apt-get update \
     && apt-get install -y --no-install-recommends \
-    python3.12 python3.12-venv python3.12-dev \
+    python3.11 python3.11-venv python3.11-dev \
     curl libgl1 libglib2.0-0 \
-    && ln -sf /usr/bin/python3.12 /usr/bin/python3 \
+    && ln -sf /usr/bin/python3.11 /usr/bin/python3 \
     && ln -sf /usr/bin/python3 /usr/bin/python \
     && python3 -m ensurepip --upgrade \
     && python3 -m pip install --no-cache-dir --upgrade pip \

requirements-cpu.txt

@@ -1,4 +1,4 @@
-torch==2.10.0
-torchvision==0.15.0
-Real-ESRGAN==0.3.0
-basicsr==1.4.2
+torch==2.0.1
+torchvision==0.15.2
+realesrgan>=0.2.5
+basicsr>=1.4.1

requirements-gpu.txt

@@ -1,5 +1,5 @@
---extra-index-url https://download.pytorch.org/whl/cu124
-torch==2.5.1
-torchvision==0.20.1
-Real-ESRGAN==0.3.0
-basicsr==1.4.2
+--extra-index-url https://download.pytorch.org/whl/cu118
+torch==2.0.1
+torchvision==0.15.2
+realesrgan>=0.2.5
+basicsr>=1.4.1

requirements.txt

@@ -1,12 +1,12 @@
-fastapi==0.115.6
-uvicorn[standard]==0.34.0
-python-multipart==0.0.18
-pydantic-settings==2.7.1
-psutil==6.1.1
-httpx==0.27.0
+fastapi==0.104.1
+uvicorn[standard]==0.24.0
+python-multipart==0.0.6
+pydantic-settings==2.1.0
+psutil==5.9.6
+httpx==0.25.2
 
 # Real-ESRGAN and dependencies
-opencv-python==4.10.0.84
-numpy==1.26.4
-scipy==1.14.1
-tqdm==4.67.1
+opencv-python==4.8.1.78
+numpy==1.24.3
+scipy==1.11.4
+tqdm==4.66.1