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feat: allow users to customize the container start command

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This can be useful when testing base images that are similar to herokuish but have a different entrypoint.
This commit is contained in:
Jose Diaz-Gonzalez
2019-08-20 17:12:18 -04:00
parent 2b1c8f64fb
commit 0c3f659854
2 changed files with 4 additions and 0 deletions
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1
docs/configuration/environment-variables.md
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@@ -122,6 +122,7 @@ The following list config variables have special meaning and can be set in a var
| `DOKKU_SKIP_CLEANUP` | | `/etc/environment` <br /> `~dokku/.dokkurc` <br /> `~dokku/.dokkurc/*` | When a deploy is triggered, if this is set to a non-empty value, then old docker containers and images will not be removed. |
| `DOKKU_SKIP_DEFAULT_CHECKS` | | `dokku config:set` | |
| `DOKKU_SKIP_DEPLOY` | | `dokku config:set` | |
| `DOKKU_START_CMD` | none | `dokku config:set` | Command to run instead of `/start $PROC_TYPE` |
| `DOKKU_SYSTEM_GROUP` | `dokku` | `/etc/environment` <br /> `~dokku/.dokkurc` <br /> `~dokku/.dokkurc/*` | System group to chown files as. |
| `DOKKU_SYSTEM_USER` | `dokku` | `/etc/environment` <br /> `~dokku/.dokkurc` <br /> `~dokku/.dokkurc/*` | System user to chown files as. |
| `DOKKU_WAIT_TO_RETIRE` | `60` | `dokku config:set` | After a successful deploy, the grace period given to old containers before they are stopped/terminated. This is useful for ensuring completion of long-running http connections. |

3
plugins/scheduler-docker-local/scheduler-deploy
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@@ -35,6 +35,8 @@ scheduler-docker-local-scheduler-deploy() {
DOKKU_DOCKER_STOP_TIMEOUT="$(config_get "$APP" DOKKU_DOCKER_STOP_TIMEOUT || true)"
[[ $DOKKU_DOCKER_STOP_TIMEOUT ]] && DOCKER_STOP_TIME_ARG="--time=${DOKKU_DOCKER_STOP_TIMEOUT}"
DOKKU_START_CMD="$(config_get "$APP" DOKKU_START_CMD || true)"
local line
local PROC_TYPE
local PROC_COUNT
@@ -80,6 +82,7 @@ scheduler-docker-local-scheduler-deploy() {
local START_CMD
[[ "$DOKKU_HEROKUISH" == "true" ]] && START_CMD="/start $PROC_TYPE"
[[ -n "$DOKKU_START_CMD" ]] && START_CMD="$DOKKU_START_CMD"
if [[ "$PROC_TYPE" == "web" ]]; then
ports=($(plugn trigger network-compute-ports "$APP" "$PROC_TYPE" "$DOKKU_HEROKUISH"))