Update Dockerfile

Author: jabbate19

Dockerfile

@@ -1,5 +1,5 @@
 FROM python:3.9-buster
-WORKDIR /etc/proxstar
+WORKDIR /opt/proxstar
 RUN apt-get update -y && apt-get install -y python3-dev libldap2-dev libsasl2-dev ldap-utils git
 COPY requirements.txt .
 RUN pip install -r requirements.txt