Variable Name	Description	Default Value
`GLOBAL_REGISTRY`	Global registry prefix for all images	`""`
`NEO4J_VERSION`	Neo4j image version	`5.27.4-community`
`NEO4J_HTTP_PORT_OVERRIDE`	Host port for HTTP (maps to 7474)	`7474`
`NEO4J_BOLT_PORT_OVERRIDE`	Host port for Bolt (maps to 7687)	`7687`
`NEO4J_AUTH`	Authentication (format: user/pass)	`neo4j/password`
`NEO4J_ACCEPT_LICENSE_AGREEMENT`	Accept license agreement	`yes`
`NEO4J_PAGECACHE_SIZE`	Page cache memory size	`512M`
`NEO4J_HEAP_INIT_SIZE`	Initial heap size	`512M`
`NEO4J_HEAP_MAX_SIZE`	Maximum heap size	`1G`
`TZ`	Timezone	`UTC`

Please modify the .env file as needed for your use case.

Volumes

neo4j_data: Neo4j database data
neo4j_logs: Neo4j log files
neo4j_import: Import directory for bulk data
neo4j_plugins: Neo4j plugins directory

Ports

7474: HTTP (Neo4j Browser)
7687: Bolt protocol

Access Points

Neo4j Browser: http://localhost:7474
Bolt URI: bolt://localhost:7687
Default credentials: neo4j / password (change via NEO4J_AUTH)

Basic Usage

Using Neo4j Browser

Open http://localhost:7474
Log in with credentials from NEO4J_AUTH
Run Cypher queries

Create Nodes and Relationships

// Create nodes
CREATE (alice:Person {name: 'Alice', age: 30})
CREATE (bob:Person {name: 'Bob', age: 25})

// Create relationship
MATCH (a:Person {name: 'Alice'}), (b:Person {name: 'Bob'})
CREATE (a)-[:KNOWS]->(b)

// Query
MATCH (p:Person)-[:KNOWS]->(friend)
RETURN p.name, friend.name

Memory Configuration

For production environments, adjust memory settings based on your workload:

NEO4J_PAGECACHE_SIZE: Should be large enough to cache graph data (recommend 50% of RAM)
NEO4J_HEAP_INIT_SIZE / NEO4J_HEAP_MAX_SIZE: JVM heap for query processing

Importing Data

Place CSV or other data files in the mounted import directory, then use LOAD CSV or neo4j-admin import.

Security Notes

Change default password immediately after first login
Use strong passwords in production
Enable SSL/TLS for production deployments
Restrict network access to Neo4j ports
Regularly backup your graph database
Keep Neo4j updated for security patches

License

Neo4j Community Edition is licensed under GPLv3. For commercial use, consider Neo4j Enterprise Edition. See Neo4j Licensing for details.