Cannot start container "addgroup: gid '999' in use"

[lbngoc]

After cloning this repo, edit config.json and run docker-compose up, I got this error

 docker-compose up   
Creating network "dockercrontab_default" with the default driver
Building crontab
Step 1/7 : FROM library/docker:stable
stable: Pulling from library/docker
ff3a5c916c92: Already exists
1a649ea86bca: Already exists
ce35f4d5f86a: Already exists
b6206661264b: Already exists
b8b71dba24d3: Already exists
3873004a68ee: Already exists
Digest: sha256:e9f04ffabbb1be195f25271116a52b2b560483abd4dc2ad54d6a90046fd1f397
Status: Downloaded newer image for docker:stable
 ---> 26c47276c586
Step 2/7 : ENV HOME_DIR=/opt/crontab
 ---> Running in b387e8e27cad
Removing intermediate container b387e8e27cad
 ---> 440cf51a26ba
Step 3/7 : RUN apk add --no-cache --virtual .run-deps bash jq     && mkdir -p ${HOME_DIR}/jobs ${HOME_DIR}/projects     && adduser -S docker -D
 ---> Running in 6c3c5bc01fab
fetch http://dl-cdn.alpinelinux.org/alpine/v3.7/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.7/community/x86_64/APKINDEX.tar.gz
(1/9) Installing pkgconf (1.3.10-r0)
(2/9) Installing ncurses-terminfo-base (6.0_p20171125-r0)
(3/9) Installing ncurses-terminfo (6.0_p20171125-r0)
(4/9) Installing ncurses-libs (6.0_p20171125-r0)
(5/9) Installing readline (7.0.003-r0)
(6/9) Installing bash (4.4.19-r1)
Executing bash-4.4.19-r1.post-install
(7/9) Installing oniguruma (6.6.1-r0)
(8/9) Installing jq (1.5-r4)
(9/9) Installing .run-deps (0)
Executing busybox-1.27.2-r7.trigger
OK: 15 MiB in 21 packages
Removing intermediate container 6c3c5bc01fab
 ---> b0faa62c08fc
Step 4/7 : COPY docker-entrypoint /
 ---> 9e1135a8f39e
Step 5/7 : ENTRYPOINT ["/docker-entrypoint"]
 ---> Running in ac8f89693299
Removing intermediate container ac8f89693299
 ---> 0e33a177185c
Step 6/7 : HEALTHCHECK --interval=5s --timeout=3s     CMD ps aux | grep '[c]rond' || exit 1
 ---> Running in 723d815aca58
Removing intermediate container 723d815aca58
 ---> 45ffdf0c69f4
Step 7/7 : CMD ["crond","-f"]
 ---> Running in ac500595a0b8
Removing intermediate container ac500595a0b8
 ---> 781ff2511daa
Successfully built 781ff2511daa
Successfully tagged dockercrontab_crontab:latest
WARNING: Image for service crontab was built because it did not already exist. To rebuild this image you must use `docker-compose build` or `docker-compose up --build`.
Creating dockercrontab_crontab_1 ... done
Attaching to dockercrontab_crontab_1
crontab_1  | addgroup: gid '999' in use
dockercrontab_crontab_1 exited with code 1

Please help me

[ealebed]

Hi! I had the same error, solved by editing Dockerfile (add one string, sed -i "s/999/99/" /etc/group) to this:

FROM library/docker:stable

ENV HOME_DIR=/opt/crontab
RUN apk add --no-cache --virtual .run-deps bash jq \
    && mkdir -p ${HOME_DIR}/jobs ${HOME_DIR}/projects \
    && adduser -S docker -D \
    && sed -i "s/999/99/" /etc/group

COPY docker-entrypoint /
ENTRYPOINT ["/docker-entrypoint"]

HEALTHCHECK --interval=5s --timeout=3s \
    CMD ps aux | grep '[c]rond' || exit 1

CMD ["crond","-f"]

[lbngoc]

Thanks @ealebed, it's working now!