Update Dockerfile

Dockerfile

@@ -2,8 +2,9 @@ FROM python:3.10-slim
 
 # Set environment variables
 ENV PYTHONUNBUFFERED=1
-# Still good practice for preventing interactive prompts during apt-get install
 ENV DEBIAN_FRONTEND=noninteractive
+# Add the default user local bin to PATH. This is where pip often installs executables.
+ENV PATH="/home/appuser/.local/bin:${PATH}"
 
 # Install system dependencies (ffmpeg, fontconfig for managing copied fonts)
 RUN apt-get update && \
@@ -16,28 +17,37 @@ RUN apt-get update && \
     rm -rf /var/lib/apt/lists/*
 
 # Create directory for custom fonts and copy your font file(s)
-# Make sure 'assets/fonts/arial.ttf' (or your chosen font) exists in your repository
 RUN mkdir -p /usr/local/share/fonts/truetype/mycustomfonts
 COPY assets/fonts/arial.ttf /usr/local/share/fonts/truetype/mycustomfonts/arial.ttf
-# If you have other fonts, COPY them here as well:
-# COPY assets/fonts/anotherfont.ttf /usr/local/share/fonts/truetype/mycustomfonts/anotherfont.ttf
 
-# Rebuild font cache to make newly installed fonts available
-RUN fc-cache -f -s -v # -s for system-wide, -v for verbose
+# Rebuild font cache
+RUN fc-cache -f -s -v
 
 # Create a non-root user and group
 ARG APP_USER_UID=1000
 ARG APP_USER_GID=1000
 RUN groupadd --gid $APP_USER_GID appgroup && \
     useradd --uid $APP_USER_UID --gid appgroup --shell /bin/bash --create-home appuser
+    # The --create-home flag for useradd usually sets up a basic .profile or .bashrc
+    # which should configure PATH to include ~/.local/bin, but we make it explicit with ENV PATH.
 
-WORKDIR /home/appuser/app
+WORKDIR /home/appuser/app # This is appuser's home and working directory
+
+# Copy requirements.txt and install Python dependencies AS APPUSER
 COPY --chown=appuser:appgroup requirements.txt ./
+USER appuser # Switch to appuser BEFORE pip install
 
-USER appuser
+# Upgrade pip and install Python dependencies
+# Use python -m pip and specify --user if installing into user's site-packages
+# However, since WORKDIR is home and we switched user, pip should install to user's .local by default.
 RUN python -m pip install --no-cache-dir --upgrade pip
-RUN python -m pip install --no-cache-dir -r requirements.txt
+RUN python -m pip install --no-cache-dir -r requirements.txt --verbose # Add --verbose for more output
+
+# Verify streamlit installation location after pip install
+RUN which streamlit || echo "streamlit not found in PATH after pip install"
+RUN ls -l /home/appuser/.local/bin || echo "/home/appuser/.local/bin does not exist or is empty"
 
+# Copy the rest of the application code as the appuser
 COPY --chown=appuser:appgroup . .
 
 EXPOSE 8501