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Fix no-user-in-docker-container-when-using---build-template-condapixiv1 #974
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munishchouhan wants to merge 2 commits intomaster from
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Fix no-user-in-docker-container-when-using---build-template-condapixiv1 #974munishchouhan wants to merge 2 commits intomaster from
munishchouhan wants to merge 2 commits intomaster from
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Signed-off-by: munishchouhan <hrma017@gmail.com>
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munishchouhan
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Feb 10, 2026
tested locally with the reprocuder:
#973 (comment)
container: docker.io/hrma017/python_pip_drevalpy:5a2ddde782d035e0
% nextflow run test_container.nf -c docker-user.config
N E X T F L O W ~ version 25.11.1-edge
Launching `test_container.nf` [desperate_lamport] DSL2 - revision: cc774c8f10
executor > local (1)
[31/87ea03] TEST_PYTHON_CONTAINER [100%] 1 of 1 ✔
Completed at: 10-Feb-2026 10:08:11
Duration : 7m 4s
CPU hours : 0.1
Succeeded : 1
...---build-template-condapixiv1
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closes #973
Problem
Python's getpass.getuser() was raising OSError: No username set in the environment when running in containers built with the pixi template, but worked fine with the
micromamba template.
Root Cause
The pixi template didn't set the USER environment variable in the final container stage, while Python's getpass.getuser() function requires one of these environment
variables to be present: LOGNAME, USER, LNAME, or USERNAME.
Solution
Updated the pixi Dockerfile template (src/main/resources/templates/conda-pixi-v1/dockerfile-conda-file.txt) to match the micromamba v2 template behavior by adding:
This ensures Python applications can successfully call getpass.getuser() without errors.
Changes