Update Dockerfile

Dockerfile

@@ -1,46 +1,42 @@
-# Hugging Face Spaces (Docker) - FastAPI backend
-# Build context: this folder
-
 FROM python:3.11-slim
 
 ENV PYTHONDONTWRITEBYTECODE=1 \
-    PYTHONUNBUFFERED=1
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1 \
+    PYTHONPATH=/code \
+    PORT=7860
 
 WORKDIR /code
 
-# System deps: build tools + Postgres client libs (psycopg2) + minimal OpenCV runtime deps
-RUN apt-get update \
-    && apt-get install -y --no-install-recommends \
-        build-essential \
-        gcc \
-        libpq-dev \
-        libgl1 \
-        libglib2.0-0 \
+# Minimal system deps for common Python packages in this app.
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    libglib2.0-0 \
+    libsm6 \
+    libxext6 \
+    libxrender1 \
     && rm -rf /var/lib/apt/lists/*
 
-# Install Python dependencies.
-# Note: This repo folder doesn't include requirements.txt/pyproject.toml, so we install pinned-at-runtime deps directly.
-RUN pip install --no-cache-dir --upgrade pip \
-    && pip install --no-cache-dir \
-        fastapi \
-        "uvicorn[standard]" \
-        sqlalchemy \
-        psycopg2-binary \
-        pydantic \
-        pydantic-settings \
-        bcrypt \
-        "python-jose[cryptography]" \
-        redis \
-        celery \
-        aiofiles \
-        python-multipart \
-        google-genai \
-        opencv-python-headless
-
-# Copy your FastAPI package into /code/app so imports like `app.main:app` work.
+# Install Python dependencies directly (no requirements file in this folder).
+RUN pip install --no-cache-dir \
+    fastapi \
+    "uvicorn[standard]" \
+    sqlalchemy \
+    psycopg2-binary \
+    redis \
+    celery \
+    pydantic-settings \
+    python-jose \
+    bcrypt \
+    aiofiles \
+    python-multipart \
+    email-validator \
+    google-genai \
+    opencv-python-headless
+
+# Copy app package so imports like "from app..." keep working.
 COPY . /code/app
 
-# Hugging Face Spaces sets PORT; default to 7860 (HF convention) if not present.
 EXPOSE 7860
 
-CMD ["sh", "-c", "uvicorn app.main:app --host 0.0.0.0 --port ${PORT:-7860}"]
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]