Update Dockerfile

Dockerfile

@@ -1,42 +1,39 @@
-FROM ubuntu:20.04
+FROM python:3.11-slim
 
-# Install system dependencies
-RUN apt-get update && apt-get install -y \
-    python3-pip \
-    python3 \
+# Install system dependencies needed for PyQt5 and libsmime3.so
+RUN apt-get update && apt-get install -y --no-install-recommends \
     libnss3 \
-    libnspr4 \
-    libsmime3 \
-    libatk1.0-0 \
     libatk-bridge2.0-0 \
     libgtk-3-0 \
-    libasound2 \
     libx11-xcb1 \
     libxcb-dri3-0 \
+    libdrm2 \
     libxdamage1 \
-    libxext6 \
-    libxfixes3 \
+    libxtst6 \
     libxrandr2 \
-    libxrender1 \
-    libxcursor1 \
+    libasound2 \
+    libpangocairo-1.0-0 \
     libxss1 \
-    libxtst6 \
-    libdbus-1-3 \
-    libatspi2.0-0 \
-    libdrm2 \
-    libgbm1 \
     libxcomposite1 \
-    libxinerama1 && \
-    rm -rf /var/lib/apt/lists/*
+    libxcursor1 \
+    libxfixes3 \
+    libxi6 \
+    libxinerama1 \
+    libxkbcommon0 \
+    libxpresent1 \
+    libxshmfence1 \
+    libxxf86vm1 \
+    -V && \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# Install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
 
-# Copy requirements and install Python packages
-COPY requirements.txt /app/requirements.txt
-WORKDIR /app
-RUN pip3 install --upgrade pip
-RUN pip3 install -r requirements.txt
+# Copy your app files
+COPY app.py startup.sh ./
 
-# Copy app code
-COPY . /app
+# Make startup script executable
+RUN chmod +x startup.sh
 
-# Run the app
-CMD ["bash", "install_dependencies.sh", "&&", "python3", "app.py"]
+CMD ["./startup.sh"]