Hello,
I try to pack WSGI application into docker container. I use Alpine linux.
Everything works until I enable daemon mode with WSGIDaemonProcess, in this
case I get "Segmentation fault".
This is reproducible with the simplest setup possible.
Dockerfile:
FROM alpine:3.4
RUN apk add --no-cache apache2-mod-wsgi && mkdir -p /run/apache2 && mkdir
-p /wsgi
ADD wsgi-test.conf /etc/apache2/conf.d/
ADD wsgi-test.wsgi /wsgi/
CMD ["/bin/sh"]
wsgi-test.conf:
Listen 8080
<VirtualHost *:8080>
ServerName localhost
WSGIScriptAlias /test /wsgi/wsgi-test.wsgi
# WSGIDaemonProcess example.com processes=2 threads=2
# WSGIProcessGroup example.com
<Directory /wsgi>
Require all granted
</Directory>
</VirtualHost>
wsgi-test.wsgi:
def application(environ, start_response):
status = '200 OK'
output = 'Hello World!\n'
response_headers = [('Content-type', 'text/plain'),
('Content-Length', str(len(output)))]
start_response(status, response_headers)
return [output]
This works as expected – I run "httpd -DFOREGROUND" inside the container
and can curl http://docker:8080/test for 'Hello World!'.
If I uncomment daemon options, the same command gives:
/ # httpd -DFOREGROUND
AH00558: httpd: Could not reliably determine the server's fully qualified
domain name, using 172.17.0.5. Set the 'ServerName' directive globally to
suppress this message
Segmentation fault
Any hints how to fix this?
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