docker compose added for handling replicaSets

.dockerignore

@@ -1,4 +1,3 @@
 node_modules
 coverage
-logs
-.env
+logs

docker-compose.yaml

@@ -0,0 +1,48 @@
+version: '3'
+services:
+  myapp:
+    build:
+      context: ./
+      dockerfile: Dockerfile
+    ports:
+      - "4000:4000"  # Replace with your app's port configuration
+    depends_on:
+      - mongodb-primary
+  mongodb-primary:
+    image: 'bitnami/mongodb:latest'
+    environment:
+      - MONGODB_ADVERTISED_HOSTNAME=mongodb-primary
+      - MONGODB_REPLICA_SET_MODE=primary
+      - MONGODB_ROOT_PASSWORD=password123
+      - MONGODB_REPLICA_SET_KEY=replicasetkey123
+
+    volumes:
+      - 'mongodb_master_data:/bitnami'
+
+  mongodb-secondary:
+    image: 'bitnami/mongodb:latest'
+    depends_on:
+      - mongodb-primary
+    environment:
+      - MONGODB_ADVERTISED_HOSTNAME=mongodb-secondary
+      - MONGODB_REPLICA_SET_MODE=secondary
+      - MONGODB_INITIAL_PRIMARY_HOST=mongodb-primary
+      - MONGODB_INITIAL_PRIMARY_PORT_NUMBER=27017
+      - MONGODB_INITIAL_PRIMARY_ROOT_PASSWORD=password123
+      - MONGODB_REPLICA_SET_KEY=replicasetkey123
+
+  mongodb-arbiter:
+    image: 'bitnami/mongodb:latest'
+    depends_on:
+      - mongodb-primary
+    environment:
+      - MONGODB_ADVERTISED_HOSTNAME=mongodb-arbiter
+      - MONGODB_REPLICA_SET_MODE=arbiter
+      - MONGODB_INITIAL_PRIMARY_HOST=mongodb-primary
+      - MONGODB_INITIAL_PRIMARY_PORT_NUMBER=27017
+      - MONGODB_INITIAL_PRIMARY_ROOT_PASSWORD=password123
+      - MONGODB_REPLICA_SET_KEY=replicasetkey123
+
+volumes:
+  mongodb_master_data:
+    driver: local