added sqlite deb package to install

Dockerfile

@@ -15,7 +15,7 @@ COPY requirements.txt /app/requirements.txt
 
 #Make a complete system update. apt-utils is needed for configuring packages, so we need to install it
 RUN apt update
-RUN apt install apt-utils -y
+RUN apt install apt-utils sqlite3 -y
 RUN apt upgrade -y
 RUN apt clean