The dockerized app successfully uploads and the code is hosted on Heroku's docker container registry. I can shell inside, run `python manage.py migrate` or `./manage.py runserver`, etc.
So the chokepoint likely seems to be the daphne command I'm running. `web: daphne config.asgi:application --port $PORT --bind 0.0.0.0 -v2` That^ is what I'm running, and here's the output: web.1]: Starting process with command `/bin/sh -c daphne\ -b\ 0.0.0.0:\29689\ config.asgi:application\ -v2` 2018-03-27T12:44:33.812281+00:00 app[web.1]: 2018-03-27 12:44:33,811 DEBUG Importing BmpImagePlugin 2018-03-27T12:44:33.821615+00:00 app[web.1]: 2018-03-27 12:44:33,821 DEBUG Importing BufrStubImagePlugin 2018-03-27T12:44:33.823011+00:00 app[web.1]: 2018-03-27 12:44:33,822 DEBUG Importing CurImagePlugin 2018-03-27T12:44:33.824396+00:00 app[web.1]: 2018-03-27 12:44:33,824 DEBUG Importing DcxImagePlugin 2018-03-27T12:44:33.826218+00:00 app[web.1]: 2018-03-27 12:44:33,826 DEBUG Importing DdsImagePlugin 2018-03-27T12:44:33.827627+00:00 app[web.1]: 2018-03-27 12:44:33,827 DEBUG Importing EpsImagePlugin 2018-03-27T12:44:33.830181+00:00 app[web.1]: 2018-03-27 12:44:33,829 DEBUG Importing FitsStubImagePlugin 2018-03-27T12:44:33.830948+00:00 app[web.1]: 2018-03-27 12:44:33,830 DEBUG Importing FliImagePlugin 2018-03-27T12:44:33.831989+00:00 app[web.1]: 2018-03-27 12:44:33,831 DEBUG Importing FpxImagePlugin 2018-03-27T12:44:33.833280+00:00 app[web.1]: 2018-03-27 12:44:33,833 DEBUG Image: failed to import FpxImagePlugin: No module named 'olefile' 2018-03-27T12:44:33.833637+00:00 app[web.1]: 2018-03-27 12:44:33,833 DEBUG Importing FtexImagePlugin 2018-03-27T12:44:33.834481+00:00 app[web.1]: 2018-03-27 12:44:33,834 DEBUG Importing GbrImagePlugin 2018-03-27T12:44:33.835321+00:00 app[web.1]: 2018-03-27 12:44:33,835 DEBUG Importing GifImagePlugin 2018-03-27T12:44:33.837724+00:00 app[web.1]: 2018-03-27 12:44:33,837 DEBUG Importing GribStubImagePlugin 2018-03-27T12:44:33.838402+00:00 app[web.1]: 2018-03-27 12:44:33,838 DEBUG Importing Hdf5StubImagePlugin 2018-03-27T12:44:33.860234+00:00 app[web.1]: 2018-03-27 12:44:33,859 DEBUG Importing IcnsImagePlugin 2018-03-27T12:44:33.864684+00:00 app[web.1]: 2018-03-27 12:44:33,864 DEBUG Importing IcoImagePlugin 2018-03-27T12:44:33.865808+00:00 app[web.1]: 2018-03-27 12:44:33,865 DEBUG Importing ImImagePlugin 2018-03-27T12:44:33.873231+00:00 app[web.1]: 2018-03-27 12:44:33,868 DEBUG Importing ImtImagePlugin 2018-03-27T12:44:33.877829+00:00 app[web.1]: 2018-03-27 12:44:33,877 DEBUG Importing IptcImagePlugin 2018-03-27T12:44:33.882787+00:00 app[web.1]: 2018-03-27 12:44:33,882 DEBUG Importing JpegImagePlugin 2018-03-27T12:44:33.898882+00:00 app[web.1]: 2018-03-27 12:44:33,898 DEBUG Importing Jpeg2KImagePlugin 2018-03-27T12:44:33.899310+00:00 app[web.1]: 2018-03-27 12:44:33,898 DEBUG Importing McIdasImagePlugin 2018-03-27T12:44:33.900368+00:00 app[web.1]: 2018-03-27 12:44:33,900 DEBUG Importing MicImagePlugin 2018-03-27T12:44:33.901740+00:00 app[web.1]: 2018-03-27 12:44:33,901 DEBUG Image: failed to import MicImagePlugin: No module named 'olefile' 2018-03-27T12:44:33.901959+00:00 app[web.1]: 2018-03-27 12:44:33,901 DEBUG Importing MpegImagePlugin 2018-03-27T12:44:33.902994+00:00 app[web.1]: 2018-03-27 12:44:33,902 DEBUG Importing MpoImagePlugin 2018-03-27T12:44:33.903992+00:00 app[web.1]: 2018-03-27 12:44:33,903 DEBUG Importing MspImagePlugin 2018-03-27T12:44:33.904966+00:00 app[web.1]: 2018-03-27 12:44:33,904 DEBUG Importing PalmImagePlugin 2018-03-27T12:44:33.907002+00:00 app[web.1]: 2018-03-27 12:44:33,906 DEBUG Importing PcdImagePlugin 2018-03-27T12:44:33.907930+00:00 app[web.1]: 2018-03-27 12:44:33,907 DEBUG Importing PcxImagePlugin 2018-03-27T12:44:33.908142+00:00 app[web.1]: 2018-03-27 12:44:33,908 DEBUG Importing PdfImagePlugin 2018-03-27T12:44:33.909400+00:00 app[web.1]: 2018-03-27 12:44:33,909 DEBUG Importing PixarImagePlugin 2018-03-27T12:44:33.910391+00:00 app[web.1]: 2018-03-27 12:44:33,910 DEBUG Importing PngImagePlugin 2018-03-27T12:44:33.910620+00:00 app[web.1]: 2018-03-27 12:44:33,910 DEBUG Importing PpmImagePlugin 2018-03-27T12:44:33.911668+00:00 app[web.1]: 2018-03-27 12:44:33,911 DEBUG Importing PsdImagePlugin 2018-03-27T12:44:33.912740+00:00 app[web.1]: 2018-03-27 12:44:33,912 DEBUG Importing SgiImagePlugin 2018-03-27T12:44:33.914048+00:00 app[web.1]: 2018-03-27 12:44:33,913 DEBUG Importing SpiderImagePlugin 2018-03-27T12:44:33.915493+00:00 app[web.1]: 2018-03-27 12:44:33,915 DEBUG Importing SunImagePlugin 2018-03-27T12:44:33.916508+00:00 app[web.1]: 2018-03-27 12:44:33,916 DEBUG Importing TgaImagePlugin 2018-03-27T12:44:33.917574+00:00 app[web.1]: 2018-03-27 12:44:33,917 DEBUG Importing TiffImagePlugin 2018-03-27T12:44:33.917765+00:00 app[web.1]: 2018-03-27 12:44:33,917 DEBUG Importing WebPImagePlugin 2018-03-27T12:44:33.919789+00:00 app[web.1]: 2018-03-27 12:44:33,919 DEBUG Importing WmfImagePlugin 2018-03-27T12:44:33.920524+00:00 app[web.1]: 2018-03-27 12:44:33,920 DEBUG Importing XbmImagePlugin 2018-03-27T12:44:33.923447+00:00 app[web.1]: 2018-03-27 12:44:33,923 DEBUG Importing XpmImagePlugin 2018-03-27T12:44:33.924692+00:00 app[web.1]: 2018-03-27 12:44:33,924 DEBUG Importing XVThumbImagePlugin 2018-03-27T12:44:34.272091+00:00 app[web.1]: 2018-03-27 12:44:34,271 DEBUG get 'DJANGO_READ_DOT_ENV_FILE' casted as '<class 'bool'>' with default 'False' 2018-03-27T12:44:34.289223+00:00 app[web.1]: 2018-03-27 12:44:34,285 DEBUG get 'DJANGO_DEBUG' casted as '<class 'bool'>' with default 'False' 2018-03-27T12:44:34.291317+00:00 app[web.1]: 2018-03-27 12:44:34,290 DEBUG get 'DATABASE_URL' casted as 'None' with default '<NoValue>' 2018-03-27T12:44:34.308760+00:00 app[web.1]: 2018-03-27 12:44:34,302 DEBUG get 'DJANGO_EMAIL_BACKEND' casted as 'None' with default 'django.core.mail.backends.smtp.EmailBackend' 2018-03-27T12:44:34.308773+00:00 app[web.1]: 2018-03-27 12:44:34,303 DEBUG get 'DJANGO_ACCOUNT_ALLOW_REGISTRATION' casted as '<class 'bool'>' with default 'True' 2018-03-27T12:44:34.308780+00:00 app[web.1]: 2018-03-27 12:44:34,303 DEBUG get 'DJANGO_SECRET_KEY' casted as 'None' with default '<NoValue>' 2018-03-27T12:44:34.308782+00:00 app[web.1]: 2018-03-27 12:44:34,303 DEBUG get 'DJANGO_ALLOWED_HOSTS' casted as '<class 'list'>' with default '['example.com']' 2018-03-27T12:44:34.308789+00:00 app[web.1]: 2018-03-27 12:44:34,303 DEBUG get 'DATABASE_URL' casted as 'None' with default '<NoValue>' 2018-03-27T12:44:34.308791+00:00 app[web.1]: 2018-03-27 12:44:34,304 DEBUG get 'CONN_MAX_AGE' casted as '<class 'int'>' with default '60' 2018-03-27T12:44:34.308792+00:00 app[web.1]: 2018-03-27 12:44:34,305 DEBUG get 'REDIS_URL' casted as 'None' with default 'redis://127.0.0.1:6379' 2018-03-27T12:44:34.308794+00:00 app[web.1]: 2018-03-27 12:44:34,305 DEBUG get 'DJANGO_SECURE_SSL_REDIRECT' casted as '<class 'bool'>' with default 'True' 2018-03-27T12:44:34.308796+00:00 app[web.1]: 2018-03-27 12:44:34,305 DEBUG get 'DJANGO_SECURE_HSTS_INCLUDE_SUBDOMAINS' casted as '<class 'bool'>' with default 'True' 2018-03-27T12:44:34.308797+00:00 app[web.1]: 2018-03-27 12:44:34,305 DEBUG get 'DJANGO_SECURE_HSTS_PRELOAD' casted as '<class 'bool'>' with default 'True' 2018-03-27T12:44:34.308799+00:00 app[web.1]: 2018-03-27 12:44:34,306 DEBUG get 'DJANGO_SECURE_CONTENT_TYPE_NOSNIFF' casted as '<class 'bool'>' with default 'True' 2018-03-27T12:44:34.308800+00:00 app[web.1]: 2018-03-27 12:44:34,306 DEBUG get 'DJANGO_AWS_ACCESS_KEY_ID' casted as 'None' with default '<NoValue>' 2018-03-27T12:44:34.308802+00:00 app[web.1]: 2018-03-27 12:44:34,306 DEBUG get 'DJANGO_AWS_SECRET_ACCESS_KEY' casted as 'None' with default '<NoValue>' 2018-03-27T12:44:34.308803+00:00 app[web.1]: 2018-03-27 12:44:34,306 DEBUG get 'DJANGO_AWS_STORAGE_BUCKET_NAME' casted as 'None' with default '<NoValue>' 2018-03-27T12:44:34.308805+00:00 app[web.1]: 2018-03-27 12:44:34,306 DEBUG get 'DJANGO_DEFAULT_FROM_EMAIL' casted as 'None' with default 'pair <nore...@example.com>' 2018-03-27T12:44:34.308807+00:00 app[web.1]: 2018-03-27 12:44:34,306 DEBUG get 'DJANGO_SERVER_EMAIL' casted as 'None' with default 'pair <nore...@example.com>' 2018-03-27T12:44:34.308808+00:00 app[web.1]: 2018-03-27 12:44:34,307 DEBUG get 'DJANGO_EMAIL_SUBJECT_PREFIX' casted as 'None' with default '[pair]' 2018-03-27T12:44:34.317419+00:00 app[web.1]: 2018-03-27 12:44:34,315 DEBUG get 'DJANGO_ADMIN_URL' casted as 'None' with default '<NoValue>' 2018-03-27T12:44:34.317422+00:00 app[web.1]: 2018-03-27 12:44:34,316 DEBUG get 'MAILGUN_API_KEY' casted as 'None' with default '<NoValue>' 2018-03-27T12:44:34.317424+00:00 app[web.1]: 2018-03-27 12:44:34,316 DEBUG get 'MAILGUN_DOMAIN' casted as 'None' with default '<NoValue>' 2018-03-27T12:44:36.653553+00:00 heroku[web.1]: State changed from starting to crashed 2018-03-27T12:44:36.655274+00:00 heroku[web.1]: State changed from crashed to starting 2018-03-27T12:44:36.635592+00:00 heroku[web.1]: Process exited with status 0 2018-03-27T12:44:20+00:00 app[heroku-redis]: source=REDIS sample#active-connections=1 sample#load-avg-1m=0.025 sample#load-avg-5m=0.01 sample#load-avg-15m=0 sample#read-iops=0 sample#write-iops=0 sample#memory-total=15664376kB sample#memory-free=14945112kB sample#memory-cached=371076kB sample#memory-redis=278200bytes sample#hit-rate=1 sample#evicted-keys=0 2018-03-27T12:45:01.113889+00:00 heroku[web.1]: Starting process with command `/bin/sh -c daphne\ -b\ 0.0.0.0:\13804\ config.asgi:application\ -v2` 2018-03-27T12:45:04.495376+00:00 app[web.1]: 2018-03-27 12:45:04,494 DEBUG Importing BmpImagePlugin 2018-03-27T12:45:04.501403+00:00 app[web.1]: 2018-03-27 12:45:04,501 DEBUG Importing BufrStubImagePlugin It just spits out all the ENV vars. The Heroku app will not open. If I run it locally using a Procfile and then go to localhost, I will see Daphne's 500 Internal Server Error page. Any idea? I came across this https://github.com/django/channels/issues/872 issue in which Andrew briefly mentions that a Raven install may cause issues. Though my app is using Raven, I've commented out all of its related settings for now. He also mentions that it isn't an issue related to not running `runworker`. aioredis==1.0.0 asgiref==2.2.0 channels==2.0.2 channels-redis==2.1.1 daphne==2.1.0 dj-database-url==0.5.0 Django==1.11.8 django-redis==4.9.0 gunicorn==19.7.1 raven==6.6.0 redis==2.10.6 Twisted==17.9.0 -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To post to this group, send email to django-users@googlegroups.com. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/96dc7a70-7a2c-4c42-9b82-37d39b5a918e%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.