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Monday, 20 April 2015

Deploying a Python application to IBM Bluemix

The following simple example shows how to push the basic hello world Python application to IBM Bluemix. We use the buildpack below.

https://github.com/heroku/heroku-buildpack-python.git

1. Create a file called requirements.txt

pas@pass-mbp:~/bluemix-apps/python-demo$ cat requirements.txt
Flask==0.10.1


2. Create a file called runtime.txt to detail the Python version to use

pas@pass-mbp:~/bluemix-apps/python-demo$ cat runtime.txt
python-2.6.5


3. Push the application using the buildpack above.

pas@pass-mbp:~/bluemix-apps/python-demo$ cf push pas-phython-demo -m 128m -b https://github.com/heroku/heroku-buildpack-python.git
Creating app pas-phython-demo in org pasapi@au1.ibm.com / space dev as pasapi@au1.ibm.com...
OK

Creating route pas-phython-demo.mybluemix.net...
OK

Binding pas-phython-demo.mybluemix.net to pas-phython-demo...
OK

Uploading pas-phython-demo...
Uploading app files from: /Users/pas/ibm/bluemix/apps/python-demo
Uploading 1.9K, 7 files
Done uploading
OK

Starting app pas-phython-demo in org pasapi@au1.ibm.com / space dev as pasapi@au1.ibm.com...
-----> Downloaded app package (4.0K)
Cloning into '/tmp/buildpacks/heroku-buildpack-python'...
-----> Installing runtime (python-2.6.5)
-----> Installing dependencies with pip
/app/.heroku/python/lib/python2.6/site-packages/pip-6.1.0.dev0-py2.6.egg/pip/_vendor/requests/packages/urllib3/util/ssl_.py:79: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
  InsecurePlatformWarning
       You are using pip version 6.1.0.dev0, however version 6.1.1 is available.
       You should consider upgrading via the 'pip install --upgrade pip' command.
       Collecting Flask==0.10.1 (from -r requirements.txt (line 1))
/app/.heroku/python/lib/python2.6/site-packages/pip-6.1.0.dev0-py2.6.egg/pip/_vendor/requests/packages/urllib3/util/ssl_.py:79: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. For more information, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
  InsecurePlatformWarning
         Downloading Flask-0.10.1.tar.gz (544kB)
       Collecting Werkzeug>=0.7 (from Flask==0.10.1->-r requirements.txt (line 1))
         Downloading Werkzeug-0.10.4-py2.py3-none-any.whl (293kB)
       Collecting Jinja2>=2.4 (from Flask==0.10.1->-r requirements.txt (line 1))
         Downloading Jinja2-2.7.3.tar.gz (378kB)
       Collecting itsdangerous>=0.21 (from Flask==0.10.1->-r requirements.txt (line 1))
         Downloading itsdangerous-0.24.tar.gz (46kB)
       Collecting markupsafe (from Jinja2>=2.4->Flask==0.10.1->-r requirements.txt (line 1))
         Downloading MarkupSafe-0.23.tar.gz
       Installing collected packages: markupsafe, itsdangerous, Jinja2, Werkzeug, Flask
         Running setup.py install for markupsafe
         Running setup.py install for itsdangerous
         Running setup.py install for Jinja2
         Running setup.py install for Flask
       Successfully installed Flask-0.10.1 Jinja2-2.7.3 Werkzeug-0.10.4 itsdangerous-0.24 markupsafe-0.23
You are using pip version 6.1.0.dev0, however version 6.1.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
-----> Uploading droplet (25M)

0 of 1 instances running, 1 starting
0 of 1 instances running, 1 starting
1 of 1 instances running

App started


OK

App pas-phython-demo was started using this command `python hello.py`

Showing health and status for app pas-phython-demo in org pasapi@au1.ibm.com / space dev as pasapi@au1.ibm.com...
OK

requested state: started
instances: 1/1
usage: 128M x 1 instances
urls: pas-phython-demo.mybluemix.net
last uploaded: Mon Apr 20 07:10:24 +0000 2015

     state     since                    cpu    memory          disk          details
#0   running   2015-04-20 05:12:23 PM   0.0%   40.8M of 128M   94.4M of 1G




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