Updated Docker image as technically I am using a pre-made keystore

Dockerfile

@@ -13,14 +13,6 @@ RUN mv /code/data/* /data/
 RUN chmod +x /scripts/*
 WORKDIR /code
 
-# Move certificate
-# https://stackoverflow.com/questions/54402673/how-to-fix-ssl-certificate-problem-self-signed-certificate-in-certificate-chain
-# https://stackoverflow.com/questions/26028971/docker-container-ssl-certificates
-# https://www.obungi.com/2019/05/08/how-to-create-and-use-self-singed-certificates-in-an-ubuntu-docker-container-to-trust-external-resources/
-RUN apt-get update && apt-get install -y curl && apt-get install -y ca-certificates
-RUN cp ppdt-certificate /usr/local/share/ca-certificates/
-RUN update-ca-certificates
-
 RUN useradd tree-user
 RUN chown -R tree-user:tree-user /scripts/
 RUN chown -R tree-user:tree-user /code/