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docker-compose up fails with "ERROR: unsatisfiable constraints"

See original GitHub issue

When I follow the instructions for Run with Docker Compose, the command docker-compose up fails with the following error:

$ docker-compose up
Creating network "formio-1460_default" with the default driver
Creating volume "formio-1460_mdb-data" with default driver
Building formio
Step 1/11 : FROM node:lts-alpine
 ---> 56bc3a1ed035
Step 2/11 : WORKDIR /app
 ---> Using cache
 ---> 06986813e392
Step 3/11 : RUN apk update &&     apk upgrade &&     apk add python=2.7.15-r3 &&     apk add make=4.2.1-r2 &&     apk add g++=8.3.0-r0
 ---> Running in 918180a1e852
fetch http://dl-cdn.alpinelinux.org/alpine/v3.9/main/x86_64/APKINDEX.tar.gz
fetch http://dl-cdn.alpinelinux.org/alpine/v3.9/community/x86_64/APKINDEX.tar.gz
v3.9.4-1-g3c20033f75 [http://dl-cdn.alpinelinux.org/alpine/v3.9/main]
v3.9.4-2-g58b26b850f [http://dl-cdn.alpinelinux.org/alpine/v3.9/community]
OK: 9766 distinct packages available
OK: 7 MiB in 16 packages
ERROR: unsatisfiable constraints:
  python2-2.7.16-r1:
    breaks: world[python=2.7.15-r3]
ERROR: Service 'formio' failed to build: The command '/bin/sh -c apk update &&     apk upgrade &&     apk add python=2.7.15-r3 &&     apk add make=4.2.1-r2 &&     apk add g++=8.3.0-r0' returned a non-zero code: 1

This happens on both the master branch, and the latest release v1.46.0.

I believe the problems is that the Dockerfile tries to add a very specific version of python, but after an apk update, there is no guarantee that that exact version number exists. In this case, the python version available, 2.7.16-r1 is newer than the demanded version 2.7.15-r3.

Issue Analytics

State:
Created 4 years ago
Reactions:4
Comments:8 (1 by maintainers)

Top GitHub Comments

4reactions

terryhowelljrcommented, Mar 21, 2020

I just changed the Docker file python to r2 and it worked.

RUN apk update && \ apk upgrade && \ apk add python=2.7.16-r2 && \ apk add make=4.2.1-r2 && \ apk add g++=8.3.0-r0

1reaction

sascha-schieferdeckercommented, Jan 21, 2020

I cannot confirm #899 is a fix to this issue, I had to set python 2.7.16-r2 to succeed in building the master branch:

# "bcrypt" requires python/make/g++, all must be installed in alpine
# (note: using pinned versions to ensure immutable build environment)
RUN apk update && \
    apk upgrade && \
    apk add python=2.7.16-r2 && \
    apk add make=4.2.1-r2 && \
    apk add g++=8.3.0-r0

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