feat: add health checks and dependencies to docker-compose (#163)

* chore: Add healthcheck for neo4j and graph service in docker compose

* chore: Fix healthcheck url

docker-compose.yml

@@ -5,7 +5,20 @@ services:
     image: zepai/graphiti:latest
     ports:
       - "8000:8000"
-    
+    healthcheck:
+      test:
+        [
+          "CMD",
+          "python",
+          "-c",
+          "import urllib.request; urllib.request.urlopen('http://localhost:8000/healthcheck')",
+        ]
+      interval: 10s
+      timeout: 5s
+      retries: 3
+    depends_on:
+      neo4j:
+        condition: service_healthy
     environment:
       - OPENAI_API_KEY=${OPENAI_API_KEY}
       - NEO4J_URI=bolt://neo4j:${NEO4J_PORT}
@@ -14,7 +27,12 @@ services:
       - PORT=8000
   neo4j:
     image: neo4j:5.22.0
-    
+    healthcheck:
+      test: wget "http://localhost:${NEO4J_PORT}" || exit 1
+      interval: 1s
+      timeout: 10s
+      retries: 20
+      start_period: 3s
     ports:
       - "7474:7474"  # HTTP
       - "${NEO4J_PORT}:${NEO4J_PORT}"  # Bolt