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greghuc/Dockerfile

Forked from wwerner/Dockerfile
Created December 22, 2023 10:48
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Enable heroku ps:exec in docker containers
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Dockerfile
FROM openjdk:8-jdk-alpine
VOLUME /tmp
# see https://devcenter.heroku.com/articles/exec#enabling-docker-support
RUN apk add --no-cache curl bash openssh python
ADD src/main/docker/heroku-exec.sh /app/.profile.d/heroku-exec.sh
RUN chmod a+x /app/.profile.d/heroku-exec.sh
ADD src/main/docker/sh-wrapper.sh /bin/sh-wrapper.sh
RUN chmod a+x /bin/sh-wrapper.sh
RUN rm /bin/sh && ln -s /bin/sh-wrapper.sh /bin/sh
Raw
heroku-exec.sh
#!/usr/bin/env bash
# see https://devcenter.heroku.com/articles/exec#enabling-docker-support
[ -z "$SSH_CLIENT" ] && source <(curl --fail --retry 3 -sSL "$HEROKU_EXEC_URL")
Raw
sh-wrapper.sh
#! /bin/bash
/bin/bash "$@"
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