Create Dockerfile

Dockerfile

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+# Use Ubuntu 22.04 as the base image for stability and compatibility
+FROM ubuntu:22.04
+
+# Set environment variables to avoid interactive prompts during installation
+ENV DEBIAN_FRONTEND=noninteractive
+ENV DISPLAY=:99
+
+# Install system dependencies for pygobject, toga, and Xvfb
+RUN apt-get update && apt-get install -y \
+    python3 \
+    python3-dev \
+    python3-pip \
+    python3-venv \
+    libgirepository1.0-dev \
+    libcairo2-dev \
+    pkg-config \
+    meson \
+    ninja-build \
+    libgtk-3-dev \
+    xvfb \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create a working directory
+WORKDIR /app
+
+# Copy the Flask app code
+COPY app.py /app/
+COPY templates /app/templates/
+
+# Create and activate a virtual environment
+RUN python3 -m venv /venv
+ENV PATH="/venv/bin:$PATH"
+
+# Install Python dependencies
+RUN pip install --upgrade pip && \
+    pip install flask pygobject toga
+
+# Expose port 5000 for Flask
+EXPOSE 5000
+
+# Start Xvfb and run the Flask app
+CMD Xvfb :99 -screen 0 1024x768x16 & python3 app.py