fix(analytics): boot when POSTGRES/RABBITMQ env vars are missing (issue #126)

Author: Senthil455

docker-compose.yml

@@ -245,6 +245,11 @@ services:
       - "8003:8003"
     environment:
       - POSTGRES_URL=postgresql://${POSTGRES_USER:-atlas_user}:${POSTGRES_PASSWORD:-atlas_password}@postgres:5432/${POSTGRES_DB:-atlas_db}
+      - POSTGRES_USER=${POSTGRES_USER:-atlas_user}
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-atlas_password}
+      - RABBITMQ_HOST=rabbitmq
+      - RABBITMQ_USER=${RABBITMQ_USER:-atlas_rabbit}
+      - RABBITMQ_PASSWORD=${RABBITMQ_PASS:-changeme_rabbit_pass}
       - ALLOWED_ORIGINS=${ALLOWED_ORIGINS:-http://localhost:3000}
     networks:
       - atlas-network

services/analytics-python-service/main.py

@@ -107,8 +107,8 @@ async def internal_auth_middleware(request: Request, call_next):
     return await call_next(request)
 
 
-POSTGRES_USER = os.environ["POSTGRES_USER"]
-POSTGRES_PASSWORD = os.environ["POSTGRES_PASSWORD"]
+POSTGRES_USER = os.environ.get("POSTGRES_USER", "atlas_user")
+POSTGRES_PASSWORD = os.environ.get("POSTGRES_PASSWORD", "atlas_password")
 POSTGRES_HOST = os.environ.get("POSTGRES_HOST", "postgres")
 POSTGRES_DB = os.environ.get("POSTGRES_DB", "atlas_db")
 DATABASE_URL = os.environ.get(
@@ -133,7 +133,7 @@ def health_check():
 
 
 RABBITMQ_URL = os.environ.get("RABBITMQ_URL", "")
-RABBITMQ_HOST = os.environ.get("RABBITMQ_HOST", "localhost")
+RABBITMQ_HOST = os.environ.get("RABBITMQ_HOST", "rabbitmq")
 RABBITMQ_PORT = int(os.environ.get("RABBITMQ_PORT", "5672"))
 RABBITMQ_USER = os.environ.get("RABBITMQ_USER", "guest")
 RABBITMQ_PASSWORD = os.environ.get("RABBITMQ_PASSWORD", "guest")
@@ -148,7 +148,6 @@ def _rabbitmq_params():
         credentials=pika.PlainCredentials(RABBITMQ_USER, RABBITMQ_PASSWORD),
     )
 
-
 EMPLOYEE_SERVICE_URL = os.environ.get("EMPLOYEE_SERVICE_URL", "http://employee-service:8001")