Docker: add .dockerignore and robustify Dockerfile for Spaces (install deps, prefer-binary)

.dockerignore

@@ -0,0 +1,24 @@
+__pycache__/
+.venv/
+.cache/
+build/
+dist/
+*.pyc
+*.pyo
+*.pyd
+.Python
+env/
+venv/
+.git/
+.github/
+node_modules/
+models/
+*.sqlite3
+*.db
+Dockerfile
+*.log
+/.env
+/.venv
+/.mypy_cache
+/.pytest_cache
+static/node_modules/

Dockerfile

@@ -1,6 +1,9 @@
 # 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
 
@@ -8,20 +11,31 @@ WORKDIR /code
 ENV PORT=7860
 ENV PYTHONPATH=/code
 ENV TRANSFORMERS_CACHE=/code/.cache/transformers
+ENV PIP_DEFAULT_TIMEOUT=100
 
-# Install system dependencies
+# Install system dependencies commonly required to build wheels
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
-    build-essential \
-    git \
+        build-essential \
+        git \
+        curl \
+        ca-certificates \
+        pkg-config \
+        libsndfile1 \
+        libgl1 \
+        libglib2.0-0 \
+        python3-dev \
+        libffi-dev \
+        libssl-dev \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy requirements first for better caching
 COPY requirements.txt .
 
-# Install Python dependencies
-RUN pip install --no-cache-dir --upgrade pip && \
-    pip install --no-cache-dir -r requirements.txt
+# Upgrade pip and install dependencies preferring binary wheels
+RUN pip install --no-cache-dir --upgrade pip setuptools wheel && \
+    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)
 
 # Copy the rest of the application
 COPY . .
@@ -29,7 +43,7 @@ COPY . .
 # Create cache directory for transformers
 RUN mkdir -p /code/.cache/transformers
 
-# Make port 7860 available
+# Make port available
 EXPOSE 7860
 
 # Run the FastAPI server