I tried adding lines to the Dockerfile that will import my scheme as a sql file. A classic example is java Jenkins applications. 33 I want to create a docker image on top of the mysql one that already contains the necessary scheme for my app. For example, docker run bash will add the command argument bash to the end of the entrypoint. Any command line arguments passed to docker run will be appended to the entrypoint command, and will override all elements specified using CMD.This is what you want for applications that fork and haven't been written with child reaping in mind as normally they would leave this up to the init system. Entrypoint sets the command and parameters that will be executed first when a container is run. A pid 1 process must reap forked child processes correctly, if it doesn't then bad things happen like resources get leaked and zombies appear. Tini is a first class init process that can be run as pid 1 correctly. Specifically, it covers running Grafana via the Docker command line. Root 1 0 1 03:30 ? 00:00:00 /dev/init - /bin/bash This topic guides you through installing Grafana via the official Docker images. à simile allâistruzione CMD, perché consente anche di specificare un comando con dei parametri, ma a differenza è che i parametri non verranno ignorati quando il container Docker viene eseguito con i parametri passati tramite riga di comando. The docker run command must specify an IMAGE to derive the container from. Lâistruzione ENTRYPOINT consente di configurare un container che verrà eseguito come eseguibile. With -init, tini (/dev/init) becomes pid 1 docker run -ti -init -rm ubuntu:16.04 ps -fA General form The basic docker run command takes this form: docker run OPTIONS IMAGE :TAGDIGEST COMMAND ARG. In this case, /bin/bash docker run -ti -rm ubuntu:16.04 ps -fA In the entrypoint, the kc.sh enables access to all the distribution sub-commands. Specifiying the new docker -init option in the run command basically sets ENTRYPOINT to tini and passes the CMD to it or whatever you specify on the commandline.įor example, without init, CMD becomes pid 1. The following Dockerfile creates a pre-configured Keycloak image that.
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