Update .env for questions

Author: bharathcs

deployment/.env.example

@@ -5,3 +5,4 @@ MONGODB_URL=
 BUCKET_NAME=
 USERS_SERVICE_URL=
 POSTGRES_URL=
+PASSWORD_HEADER=

deployment/docker-compose.yml

@@ -75,8 +75,7 @@ services:
       MONGODB_URL: ${MONGODB_URL}
       BUCKET_NAME: ${BUCKET_NAME}
       USERS_SERVICE_URL: ${USERS_SERVICE_URL}
-      INITIALIZATION_VECTOR: ${INITIALIZATION_VECTOR}
-      ENCRYPTION_KEY: ${ENCRYPTION_KEY}
+      PASSWORD_HEADER: ${PASSWORD_HEADER}
 
   users:
     image: ghcr.io/peerprep/peerprep-users-service:latest

questions/.env.example

@@ -2,5 +2,4 @@ MONGODB_URL=mongodb://localhost:27017/questions
 BUCKET_NAME=peerprep3219.appspot.com
 GOOGLE_APPLICATION_CREDENTIALS=./service-account.json
 USERS_SERVICE_URL=http://localhost:6969
-INITIALIZATION_VECTOR=
-ENCRYPTION_KEY=
+PASSWORD_HEADER=peerprep-password