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Add in docs the description of how to create a dump in a Docker container

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Wolfgang Huß 2023-10-10 12:01:58 +02:00
parent 788e08d03e
commit ce589f5983
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neo4j/README.md
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@ -53,15 +53,45 @@ Start Neo4J and confirm the database is running at [http://localhost:7474](http:
## Operations on Neo4j
### Import Neo4j Dump Locally in Docker
### Docker or Docker Compose
- we need to set `command: ["tail", "-f", "/dev/null"]` in the Neo4j block of `docker-compose.yml` on top level so the Neo4j database is in maintenance mode
### Create Neo4j Dump
To create a dump in Neo4j running in a Docker container:
- set the database to maintenance mode, see above
- entering the following commands:
```bash
# connect to the Docker containers Neo4j terminal
$ docker exec -it neo4j bash
# generate Dump
neo4j% neo4j-admin dump --database=graph.db --to=/var/lib/neo4j/$(date +%F)-neo4j-dump
# exit bash
neo4j% exit
# copy the dump out of the running Docker container
$ docker cp <docker-image-name('neo4j')>:/var/lib/neo4j/neo4j-dump <local-folder-path>/$(date +%F)-neo4j-dump
```
### Import Neo4j Dump
To import a dump into Neo4j running in a Docker container:
- we need to set `command: ["tail", "-f", "/dev/null"]` in the Neo4j block of `docker-compose.yml` on top level so the Neo4j database is in maintenance mode
- copy the dump into the running Docker container: `docker cp /path/to/dump <docker-image>:/existing-directory-in-docker/`
- connect to the Docker containers Neo4j terminal: `docker exec -it neo4j bash`
- to load the dump into the database we need the following command in this terminal: `neo4j-admin load --expand-commands --database=graph.db --from /backups/neo4j-dump --force`
- leave the terminal by entering: `exit`
- set the database to maintenance mode, see above
- entering the following commands:
```bash
# copy the dump into the running Docker container
$ docker cp <local-folder-path>/neo4j-dump <docker-image-name('neo4j')>:/var/lib/neo4j/$(date +%F)-neo4j-dump
# connect to the Docker containers Neo4j terminal
$ docker exec -it neo4j bash
# to load the dump into the database we need the following command in this terminal
neo4j% neo4j-admin load --expand-commands --database=graph.db --from /var/lib/neo4j/$(date +%F)-neo4j-dump --force
# leave the terminal by entering
neo4j% exit
```
## Commands