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docs: demonstrate use of environment variables in config (#571)

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* docs: demonstrate use of environment variables in config

* chore: reorder env vars to match order used in DB connection
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Daniel Hill 2023-09-23 22:02:50 +01:00 committed by GitHub
parent 4dea597726
commit aa7f8131cd
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3 changed files with 7 additions and 1 deletions
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2
.examples/docker-compose-postgres-storage/config/config.yaml
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@ -1,6 +1,6 @@
storage: storage:
type: postgres type: postgres
path: "postgres://username:password@postgres:5432/gatus?sslmode=disable" path: "postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@postgres:5432/${POSTGRES_DB}?sslmode=disable"
endpoints: endpoints:
- name: back-end - name: back-end

4
.examples/docker-compose-postgres-storage/docker-compose.yml
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@ -18,6 +18,10 @@ services:
restart: always restart: always
ports: ports:
- "8080:8080" - "8080:8080"
environment:
- POSTGRES_USER=username
- POSTGRES_PASSWORD=password
- POSTGRES_DB=gatus
volumes: volumes:
- ./config:/config - ./config:/config
networks: networks:

2
README.md
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@ -191,6 +191,8 @@ subdirectories are merged like so:
- To clarify, this also means that you could not define `alerting.slack.webhook-url` in two files with different values. All files are merged into one before they are processed. This is by design. - To clarify, this also means that you could not define `alerting.slack.webhook-url` in two files with different values. All files are merged into one before they are processed. This is by design.
> 💡 You can also use environment variables in the configuration file (e.g. `$DOMAIN`, `${DOMAIN}`) > 💡 You can also use environment variables in the configuration file (e.g. `$DOMAIN`, `${DOMAIN}`)
>
> See [examples/docker-compose-postgres-storage/config/config.yaml](.examples/docker-compose-postgres-storage/config/config.yaml) for an example.
If you want to test it locally, see [Docker](#docker). If you want to test it locally, see [Docker](#docker).