Error after building image: /bin/bash: /usr/local/bin/repo2docker-entrypoint: Permission denied

Bug description

running repo2docker on an empty directory (to get a default python environment), I get:

jupyter-repo2docker .
Picked Local content provider.
Using local repo ..
Using RBuildPack builder
...
Step 44/46 : COPY /repo2docker-entrypoint /usr/local/bin/repo2docker-entrypoint
 ---> Using cache
 ---> 1a386e8b05e3
Step 45/46 : ENTRYPOINT ["/usr/local/bin/repo2docker-entrypoint"]
 ---> Using cache
 ---> dea2b546b748
Step 46/46 : CMD ["jupyter", "notebook", "--ip", "0.0.0.0"]
 ---> Using cache
 ---> 71d561c90128
{"aux": {"ID": "sha256:71d561c901289655ff31f29b3209774cae2c3853ea67e132c05a1215a47db035"}}Successfully built 71d561c90128
Successfully tagged r2d-2e1567611552:latest
/bin/bash: /usr/local/bin/repo2docker-entrypoint: Permission denied

Expected behaviour

I thought the jupyter notebook would launch.

Actual behaviour

Error

How to reproduce

Your personal set up

• OS: manjaro linux

• Docker version: docker version Client: Version: 19.03.1-ce API version: 1.40 Go version: go1.12.7 Git commit: 74b1e89e8a Built: Sat Jul 27 21:08:50 2019 OS/Arch: linux/amd64 Experimental: false

Server: Engine: Version: 19.03.1-ce API version: 1.40 (minimum version 1.12) Go version: go1.12.7 Git commit: 74b1e89e8a Built: Sat Jul 27 21:08:28 2019 OS/Arch: linux/amd64 Experimental: false containerd: Version: v1.2.7.m GitCommit: 85f6aa58b8a3170aec9824568f7a31832878b603.m runc: Version: 1.0.0-rc8 GitCommit: 425e105d5a03fabd737a126ad93d62a9eeede87f docker-init: Version: 0.18.0 GitCommit: fec3683

• repo2docker version repo2docker --version 0.10.0

The only thing I did differently was to install as --user rather than root:

python3 -m pip install --user jupyter-repo2docker

[megies]

Had the same problem, file permissions on the extra point were set weirdly for whatever reason.

Here’s a patch that makes it work for me:

diff --git a/repo2docker/buildpacks/base.py b/repo2docker/buildpacks/base.py
index 49e3907..a1d3d24 100644
--- a/repo2docker/buildpacks/base.py
+++ b/repo2docker/buildpacks/base.py
@@ -162,6 +162,10 @@ RUN chown -R ${NB_USER}:${NB_USER} ${REPO_DIR}
 LABEL {{k}}="{{v}}"
 {%- endfor %}
 
+# Add entrypoint
+COPY /repo2docker-entrypoint /usr/local/bin/repo2docker-entrypoint
+RUN chmod a+rx /usr/local/bin/repo2docker-entrypoint
+
 # We always want containers to run as non-root
 USER ${NB_USER}
 
@@ -179,8 +183,6 @@ RUN chmod +x "{{ start_script }}"
 ENV R2D_ENTRYPOINT "{{ start_script }}"
 {% endif -%}
 
-# Add entrypoint
-COPY /repo2docker-entrypoint /usr/local/bin/repo2docker-entrypoint
 ENTRYPOINT ["/usr/local/bin/repo2docker-entrypoint"]
 
 # Specify the default command to run

These were file permissions in the built docker image for me, which caused the issue:

megies@4820c466f1bd:~$ ls -l /usr/local/bin
total 4
-rwx--x--x 1 root root 284 Oct  4 11:26 repo2docker-entrypoint

[giannisdoukas]

I have the same issue and it is reproducible if you install it repo2docker in Travis with a simple pip install. Because I do not see any PR I will make one