Update Dockerfile system dependencies installation

Split apt update/upgrade and install commands for clarity. Changed libgdk-pixbuf2.0-0 to libgdk-pixbuf-xlib-2.0-0 in the dependency list.

Author: Pymmdrza

Dockerfile

@@ -9,13 +9,13 @@ ENV PYTHONUNBUFFERED=1 \
 # Set work directory
 WORKDIR /app
 
-# Install system dependencies
-RUN apt-get update && apt-get install -y \
+RUN apt update&&apt upgrade -y
+RUN apt install -y \
     build-essential \
     libcairo2 \
     libpango-1.0-0 \
     libpangocairo-1.0-0 \
-    libgdk-pixbuf2.0-0 \
+    libgdk-pixbuf-xlib-2.0-0 \
     libffi-dev \
     shared-mime-info \
     && rm -rf /var/lib/apt/lists/*