### Build and Install APOC from Source

Source: https://github.com/neo4j/apoc/blob/dev/readme.adoc

These commands outline the process of cloning the APOC repository, building the shadow JAR, and installing it into the Neo4j plugins directory. It also includes instructions for restarting Neo4j.

```bash
git clone https://github.com/neo4j/apoc
cd apoc
./gradlew shadow
cp build/extended/libs/apoc-<version>.jar $NEO4J_HOME/plugins/
$NEO4J_HOME/bin/neo4j restart
```

--------------------------------

### Install APOC Plugin from Docker Image

Source: https://github.com/neo4j/apoc/blob/dev/readme.adoc

This text output indicates that the APOC plugin is being installed from the Docker image into the Neo4j plugins directory.

```text
Installing Plugin 'apoc' from /var/lib/neo4j/labs/apoc-*-core.jar to /var/lib/neo4j/plugins/apoc.jar
```

--------------------------------

### Get APOC Version

Source: https://github.com/neo4j/apoc/blob/dev/readme.adoc

Use this Cypher function to retrieve the currently installed APOC version.

```cypher
RETURN apoc.version();
```

--------------------------------

### Get Dijkstra Procedure Signature

Source: https://github.com/neo4j/apoc/blob/dev/readme.adoc

This Cypher snippet shows how to call apoc.help with a specific procedure name like 'dijkstra' to retrieve its signature, including parameters and output columns.

```cypher
CALL apoc.help("dijkstra")
```

--------------------------------

### Apply Code Style with Gradle

Source: https://github.com/neo4j/apoc/blob/dev/readme.adoc

Run this command to apply the spotless code-style to the project. It helps in maintaining code consistency and removing unused imports.

```gradle
./gradlew spotlessApply
```

--------------------------------

### Run Neo4j with APOC using Docker (Volume Mount)

Source: https://github.com/neo4j/apoc/blob/dev/readme.adoc

This command downloads the APOC JAR file into a local 'plugins' directory and then mounts this directory into the Neo4j Docker container. This method is recommended for production environments.

```bash
mkdir plugins
pushd plugins
wget https://github.com/neo4j/apoc/releases/download/{apoc-release}/apoc-{apoc-release}-core.jar
popd
docker run --rm -e NEO4J_AUTH=none -p 7474:7474 -v $PWD/plugins:/plugins -p 7687:7687 neo4j:{neo4j-version}
```

--------------------------------

### List APOC Procedures by Keyword

Source: https://github.com/neo4j/apoc/blob/dev/readme.adoc

Use the apoc.help procedure to list available APOC procedures and functions based on a keyword. This is useful for discovering and understanding APOC's capabilities.

```cypher
call apoc.help('keyword')
```

--------------------------------

### Full APOC Build with Tests

Source: https://github.com/neo4j/apoc/blob/dev/readme.adoc

This command executes a full build of the APOC project, including running all associated tests.

```bash
./gradlew build
```

--------------------------------

### Configure APOC with Docker Environment Variables

Source: https://github.com/neo4j/apoc/blob/dev/readme.adoc

This command demonstrates how to pass custom APOC configuration settings to a Neo4j Docker instance using environment variables.

```bash
docker run \
    -p 7474:7474 -p 7687:7687 \
    -v $PWD/data:/data -v $PWD/plugins:/plugins \
    --name neo4j-apoc \
    -e apoc.export.file.enabled=true \
    -e apoc.import.file.enabled=true \
    -e apoc.import.file.use_neo4j_config=true \
    neo4j:{neo4j-version}
```

--------------------------------

### Run Neo4j with APOC using Docker (Environment Variable)

Source: https://github.com/neo4j/apoc/blob/dev/readme.adoc

This command runs a Neo4j Docker container and enables APOC by setting the NEO4J_PLUGINS environment variable. It's suitable for development environments.

```bash
docker run \
    -p 7474:7474 -p 7687:7687 \
    --name neo4j-apoc \
    -e NEO4J_apoc_export_file_enabled=true \
    -e NEO4J_apoc_import_file_enabled=true \
    -e NEO4J_apoc_import_file_use__neo4j__config=true \
    -e NEO4J_PLUGINS="["apoc"]" \
    neo4j:{neo4j-version}
```

--------------------------------

### Apply Patch from URL using cURL

Source: https://github.com/neo4j/apoc/blob/dev/CONTRIBUTING.adoc

This command fetches a patch file from a given URL and applies it to the current Git branch using `git am`. It's useful for integrating changes from pull requests, especially complex ones with multiple commits.

```bash
curl $PULL_REQUEST_URL.patch | git am --ignore-whitespace
```

--------------------------------

### Access Cypher-shell in Neo4j Docker Container

Source: https://github.com/neo4j/apoc/blob/dev/readme.adoc

This command allows you to execute the Cypher-shell directly within a running Neo4j Docker container.

```bash
docker exec -it neo4j-apoc bin/cypher-shell
```

--------------------------------

### Load JSON Data with APOC

Source: https://github.com/neo4j/apoc/blob/dev/readme.adoc

This Cypher snippet demonstrates how to load JSON data from a URL using the apoc.load.json procedure and merge it into a Neo4j graph.

```cypher
WITH 'https://raw.githubusercontent.com/neo4j/apoc/{branch}/core/src/test/resources/person.json' AS url

CALL apoc.load.json(url) YIELD value as person

MERGE (p:Person {name:person.name})
   ON CREATE SET p.age = person.age, p.children = size(person.children)
```

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