fixed docker

Dockerfile

@@ -2,20 +2,48 @@ FROM python:3.9-slim
 
 WORKDIR /app
 
+# Install system dependencies required by OpenCV and other build tools
+# libgl1-mesa-glx: Provides libGL.so.1 (OpenGL library) - THIS IS THE KEY FIX
+# libsm6, libxrender1: Common X11 dependencies often needed by OpenCV
+# ffmpeg: Good for general video processing capabilities
+# build-essential, curl, software-properties-common, git: Keep your existing dev tools
 RUN apt-get update && apt-get install -y \
     build-essential \
     curl \
     software-properties-common \
     git \
+    libgl1-mesa-glx \
+    libsm6 \
+    libxrender1 \
+    ffmpeg \
+    # Clean up apt caches to reduce image size
     && rm -rf /var/lib/apt/lists/*
 
+# Copy your requirements.txt file
 COPY requirements.txt ./
-COPY src/ ./src/
 
-RUN pip3 install -r requirements.txt
+# Install Python dependencies from requirements.txt
+RUN pip3 install --no-cache-dir -r requirements.txt
+
+# Copy your application source code and assets
+# This assumes your project structure looks something like this:
+# project_root/
+# ├── src/
+# │   └── streamlit_app.py  (your app.py renamed/moved to here)
+# ├── models/
+# │   └── emotion_model_best.h5
+# ├── cascades/
+# │   └── haarcascade_frontalface_default.xml
+# ├── requirements.txt
+# └── Dockerfile
+#
+# COPY . . copies everything from your project_root into /app in the container.
+COPY . .
 
 EXPOSE 8501
 
 HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
 
+# Ensure the entrypoint path is correct for your app within the container
+# Based on your structure, it's inside 'src/'
 ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]