NATS
Reference Links
Description
URL
Official website
DockerHub image
NATS Go SDK
NATS JS SDK
NATS Python SDK
NKeys repository
NATS CLI tool
Configuration
NKey generation
nats-nkey:
nk -gen user -pubout
Server
This file should be available on the system running NATS. NATS should be started using the --config
or -c
flag pointing to the path of this file (eg. nats-server -c /path/to/this.conf
accounts: {
$SYS: {
users: [
# generate using `nk-gen user -pubout`
{nkey: "..."},
]
}
}
authorization: {
users: [
# generate using `nk-gen user -pubout`
{nkey: "..."},
]
}
cluster: {
name: "example"
}
jetstream: {
max_memory_store: 2GB
max_file_store: 8GB
}
Docker
Image
Compose
The following starts NATS using the leanest image base (scratch
) and with JetStream enabled:
version: "3.7"
services:
nats: # access with `nats server info`
# image reference: https://hub.docker.com/_/nats
image: library/nats:2.9.20-scratch
entrypoint:
- /nats-server
- -js
- -c
- /etc/nats/server.conf
ports:
- "4222:4222"
# # enable as needed
# - "6222:6222"
# - "8222:8222"
network_mode: host
volumes:
- ./.data/nats/config/server.conf:/etc/nats/server.conf
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