Update requirements.txt

requirements.txt

@@ -1,4 +1,63 @@
-python-telegram-bot>=20.0  # Use a specific version range if needed
-pillow>=9.0
-python-dotenv>=1.0
-numpy>=1.20
+# Use an official Python runtime as a parent image
+FROM python:3.10-slim
+
+# Set environment variables to prevent interactive prompts during apt-get install
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install system dependencies
+# - Essential for Pillow/OpenCV: libgl1-mesa-glx, libglib2.0-0
+# - Font handling: fontconfig
+# - Installs Microsoft Core Fonts (including Arial): ttf-mscorefonts-installer
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    libgl1-mesa-glx \
+    libglib2.0-0 \
+    fontconfig \
+    # Accept the EULA for ttf-mscorefonts-installer non-interactively
+    && echo "ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true" | debconf-set-selections \
+    && apt-get install -y --no-install-recommends ttf-mscorefonts-installer \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/* \
+    # Update font cache to make installed fonts available
+    && fc-cache -f -v
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Create a non-root user and group for better security
+# Using user ID 1000 as is common in HF Spaces
+RUN groupadd -g 1000 appuser && useradd --no-log-init -u 1000 -g appuser appuser
+
+# Create necessary application directories before copying and set ownership
+# Ensures the user 'appuser' can write to generated_images
+RUN mkdir -p /app/templates /app/generated_images && \
+    chown -R appuser:appuser /app
+
+# Copy the requirements file first for layer caching
+# Ensure ownership is set correctly during copy
+COPY --chown=appuser:appuser requirements.txt .
+
+# Install Python dependencies specified in requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the application files into the container
+# Ensure 'app.py', 'arial.ttf', and the 'templates' directory exist in your repo root
+COPY --chown=appuser:appuser app.py .
+
+# ---- IMPORTANT ----
+# The following line requires 'arial.ttf' to be present in the root of your repository
+COPY --chown=appuser:appuser arial.ttf .
+# ---- IMPORTANT ----
+
+# Copy the entire templates directory
+COPY --chown=appuser:appuser templates ./templates
+
+# Switch to the non-root user
+USER appuser
+
+# Define environment variable placeholder (Hugging Face Secrets will override this)
+# You MUST set TELEGRAM_TOKEN in your Space's secrets settings.
+ENV TELEGRAM_TOKEN=""
+
+# Command to run the application when the container launches
+CMD ["python", "app.py"]