PDF -> PNG Convertor

* DockerFile Addditions
+ Helper Functions

Dockerfile

@@ -1,5 +1,7 @@
 FROM node:18-buster
 
+ENV DEBIAN_FRONTEND=noninteractive
+
 # Create app directory
 WORKDIR /app
 
@@ -9,5 +11,11 @@ COPY . .
 # Install Requirements and build the app
 RUN npm install && npm run build;
 
+
+# Install required dependencies
+RUN apt update && apt install -y \
+    poppler-utils poppler-data \
+    && rm -rf /var/lib/apt/lists/*
+
 EXPOSE 5386
 CMD [ "npm", "run", "start" ]