Thank you Duncan, this is very valuable. There should be a setup script for this shipping with web2py. Is there any IBM blog wjere we could advertise it?
Massimo On Tuesday, 6 May 2014 19:29:48 UTC-5, duncan macneil wrote: > > Hi all, > > I've been trying out the www.bluemix.net IBM PaaS. > > It took me a bit of digging to realise there is in fact a Python runtime. > But you need a buildpack. The setup is different enough from Heroku to > warrant this mini-HowTo: > > Step 1: > > Use the source version of Web2Py and copy the entire lot into a folder > path: 'env/app' so that web2py.py is in the 'app' folder. > > Step 2: > > You need to have a requirements.txt file in the 'app' folder -- even if it > is empty. (Although you might want to add a single line with just psycopg2, > for example.) > > Step 3: > > You need to have a manifest.yml in the 'en'v folder (top level of the > project) with something like the following content: > > applications: > - host: mycoolapp > name: mycoolapp > command: python web2py.py -a 'yourpassword' -i 0.0.0.0 -p $PORT > path: app > domain: ng.bluemix.net > mem: 128M > buildpack: git://github.com/ephoning/heroku-buildpack-python.git > instances: 1 > > You need to make sure that 'mycoolapp' is changed to be unique and > 'yourpassword' is changed, too, obviously. > > Step 4: > > Push this entire 'env' directory to BlueMix by navigating to the 'env' > directory and running: > > cf push > > This assumes you have installed the CloudFoundry CLI command line tool, > although it also works if you put all the same resources described above > into an empty/new linked JazzHub git project from BlueMix and simply press > 'Deploy' from the web page provided. Handy. > > Some points to consider: > > 1. The file structure will hold and run the default SQLite db internally, > but that's probably not what you want because the files are not > designed/guaranteed to be persistent (flushed with a new/fresh deploy, for > instance). Instead you can add PostgreSQL and use that for data persistence > -- BlueMix gives you a Postgres connection URL, ready to use! You just add > it as a service to the app. > > 2. If you change instances = 1 to a larger number, then you'll probably > also want to add a Redis service and use Redis for sessions (or a db for > sessions). This will most likely allow people to remain logged in when they > are load balanced via round robin to another instance, but I have not > tested that. (What I *did* test is that you don't stay logged in with > multiple instances running, which suggests for larger-scale apps with > multiple instances running you'l want a central Redis for sessions.) > > 3. You get a SSL-ready address at something like > https://mycoolapp.ng.bluemix.net (wildcard certificate exists for *. > ng.bluemic.net), but since it seems to have some kind of reverse proxy, > Web2Py doesn't detect that the admin is being used under HTTPS: so you > might want to also store errors in the DB, too. The default with Web2Py is > errors in stored the file path. Or modify the app admin to ignore HTTPS > (just remember to use HTTPS when logging in!) > > I hope this helps someone. BlueMix is free during Beta. Pricing to be > announced in June, I think. It will be interesting to see what the pricing > is. > > Overall I think the service is pretty good -- especially if you need > formal DevOps. IBM have made the DevOps thing quite neat in BlueMix. I > particularly like being able to 'click the Postgres hexagon' and get a DB > connection URL back without any install/setup issues. > > Regs, > Duncan. > > -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
