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Docker compose environment variable simplification #5

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Docker compose environment variable simplification #5

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cf6415c
add env_file to docker compose
Jan 31, 2025
d3d3e2a
change admin password variable's value
Jan 31, 2025
1797307
update readme to reflect environment variable changes
Jan 31, 2025
b14b762
add env_file to docker compose
Jan 31, 2025
7433a00
change admin password variable's value
Jan 31, 2025
ce6c3d1
update readme to reflect environment variable changes
Jan 31, 2025
2759f12
rebase to main
Jan 31, 2025
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7 changes: 1 addition & 6 deletions README.md
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Expand Up @@ -18,15 +18,10 @@ This repo contains:
source .venv/bin/activate
pip install -r requirements.txt
```

* Set your password as an environment variable for the `docker-compose` file.
### Environment Variables

The `<password>` must have at least one upper, lower, number, and special characters and be at least 8 characters.

```
export OPENSEARCH_INITIAL_ADMIN_PASSWORD=<password>
```

NOTE: including a `$` in the password as a special character leads to issues when running `docker compose` later on (the following text gets interpreted
as a shell variable), so avoid using `$` in your password.

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6 changes: 4 additions & 2 deletions docker-compose.yml
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Expand Up @@ -3,14 +3,15 @@ services:
opensearch-node1: # This is also the hostname of the container within the Docker network (i.e. https://opensearch-node1/)
image: opensearchproject/opensearch:latest
container_name: opensearch-node1
env_file: ".env"
environment:
- cluster.name=opensearch-cluster # Name the cluster
- node.name=opensearch-node1 # Name the node that will run in this container
- discovery.seed_hosts=opensearch-node1,opensearch-node2 # Nodes to look for when discovering the cluster
- cluster.initial_cluster_manager_nodes=opensearch-node1,opensearch-node2 # Nodes eligibile to serve as cluster manager
- bootstrap.memory_lock=true # Disable JVM heap memory swapping
- "OPENSEARCH_JAVA_OPTS=-Xms512m -Xmx512m" # Set min and max JVM heap sizes to at least 50% of system RAM
- OPENSEARCH_INITIAL_ADMIN_PASSWORD=${OPENSEARCH_INITIAL_ADMIN_PASSWORD} # Sets the demo admin user password when using demo configuration (for OpenSearch 2.12 and later)
- OPENSEARCH_INITIAL_ADMIN_PASSWORD=${OPENSEARCH_INITIAL_PASSWORD} # Sets the demo admin user password when using demo configuration (for OpenSearch 2.12 and later)
ulimits:
memlock:
soft: -1 # Set memlock to unlimited (no soft or hard limit)
Expand All @@ -28,14 +29,15 @@ services:
opensearch-node2:
image: opensearchproject/opensearch:latest # This should be the same image used for opensearch-node1 to avoid issues
container_name: opensearch-node2
env_file: ".env"
environment:
- cluster.name=opensearch-cluster
- node.name=opensearch-node2
- discovery.seed_hosts=opensearch-node1,opensearch-node2
- cluster.initial_cluster_manager_nodes=opensearch-node1,opensearch-node2
- bootstrap.memory_lock=true
- "OPENSEARCH_JAVA_OPTS=-Xms512m -Xmx512m"
- OPENSEARCH_INITIAL_ADMIN_PASSWORD=${OPENSEARCH_INITIAL_ADMIN_PASSWORD}
- OPENSEARCH_INITIAL_ADMIN_PASSWORD=${OPENSEARCH_INITIAL_PASSWORD}
ulimits:
memlock:
soft: -1
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