Simplify Dockerfile: back to basics for reliable Spaces build

Dockerfile

@@ -1,9 +1,6 @@
 # Use Python 3.11 slim image
 FROM python:3.11-slim
 
-# Set noninteractive to avoid prompts
-ENV DEBIAN_FRONTEND=noninteractive
-
 # Set working directory
 WORKDIR /code
 
@@ -11,34 +8,21 @@ WORKDIR /code
 ENV PORT=7860
 ENV PYTHONPATH=/code
 ENV TRANSFORMERS_CACHE=/code/.cache/transformers
-ENV PIP_DEFAULT_TIMEOUT=100
 
-# Install system dependencies commonly required to build wheels
+# Install system dependencies
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
-        build-essential \
-        git \
-        curl \
-        ca-certificates \
-        pkg-config \
-        libsndfile1 \
-        libgl1 \
-        libglib2.0-0 \
-        python3-dev \
-        libffi-dev \
-        libssl-dev \
+    build-essential \
+    git \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy requirements first for better caching
 COPY requirements.txt .
 
-# Upgrade pip and install torch CPU wheel first (using known working version)
-RUN pip install --no-cache-dir --upgrade pip setuptools wheel && \
-    pip install --no-cache-dir torch==2.1.0+cpu torchvision==0.16.0+cpu --index-url https://download.pytorch.org/whl/cpu
-
-# Install remaining dependencies preferring binary wheels
-RUN pip install --no-cache-dir --prefer-binary -r requirements.txt || \
-    (echo "Initial pip install failed, retrying without --prefer-binary" && pip install --no-cache-dir -r requirements.txt)
+# Add torch back to requirements and install everything together
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir torch==2.1.0 transformers==4.46.3 && \
+    pip install --no-cache-dir -r requirements.txt
 
 # Copy the rest of the application
 COPY . .
@@ -46,7 +30,7 @@ COPY . .
 # Create cache directory for transformers
 RUN mkdir -p /code/.cache/transformers
 
-# Make port available
+# Make port 7860 available
 EXPOSE 7860
 
 # Run the FastAPI server

requirements.txt

@@ -3,8 +3,7 @@ fastapi==0.115.5
 uvicorn[standard]==0.32.1
 pydantic==2.10.2
 
-# Transformers and ML (torch installed separately in Dockerfile)
-transformers==4.46.3
+# Transformers and ML
 accelerate>=0.26.0
 
 # Tokenizers