Better method for custom entrypoint / image tweaks? #7

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3wordchant · 2020-09-08T17:48:39Z

3wordchant commented

2020-09-08 17:48:39 +00:00

I found a way to define a custom entrypoint without having to make a new image but it feels like if I do it too many times it's going to open up a portal to hell:

  service:
    ..
    configs:
      - source: entrypoint_conf
        target: /docker-entrypoint.sh
        mode: 0555
    entrypoint: /docker-entrypoint.sh

configs:
  entrypoint_conf:
    name: ${STACK_NAME}_entrypoint_${ENTRYPOINT_CONF_VERSION}
    file: entrypoint.sh.tmpl
    template_driver: golang

(Then entrypoint.sh.tmpl contains whatever custom commands you want, ending with a call to the parent image ENTRYPOINT or CMD - see the one in matrix-synapse for an example)

I found a way to define a custom entrypoint without having to make a new image but it feels like if I do it too many times it's going to open up a portal to hell: ``` service: .. configs: - source: entrypoint_conf target: /docker-entrypoint.sh mode: 0555 entrypoint: /docker-entrypoint.sh configs: entrypoint_conf: name: ${STACK_NAME}_entrypoint_${ENTRYPOINT_CONF_VERSION} file: entrypoint.sh.tmpl template_driver: golang ``` (Then `entrypoint.sh.tmpl` contains whatever custom commands you want, ending with a call to the parent image `ENTRYPOINT` or `CMD` - see [the one in `matrix-synapse`](https://git.autonomic.zone/compose-stacks/matrix-synapse/src/branch/main/entrypoint.sh.tmpl) for an example)

3wordchant commented

2020-09-12 18:44:18 +00:00

Closing for the moment until we start to actually see stuff breaking because of this, maybe it's fine :/

3wordchant closed this issue

2020-09-12 18:44:18 +00:00

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Reference: coop-cloud/organising#7