josefmonje/Dockerfile

## README.md

      
    Raw
  

              README.md
            
          
No need to place hello.html in templates/


Build the Docker image and then deploy


For the time being the FaaS gateway will only accept POST requests, but you can use multiple HTTP methods through the watchdog for testing. A proxy like Nginx could also be used to re-write GET into POST.

  
## Dockerfile
FROM python:2.7-alpine

ADD https://github.com/alexellis/faas/releases/download/0.5.6-alpha/fwatchdog /usr/bin
RUN chmod +x /usr/bin/fwatchdog

WORKDIR /root/

RUN pip install flask

ENV fprocess="python handler.py"

COPY handler.py .
HEALTHCHECK --interval=1s CMD [ -e /tmp/.lock ] || exit 1

CMD ["fwatchdog"]

## handler.py
#!/usr/bin/python
import os
from wsgiref.handlers import CGIHandler
from flask import render_template
from flask import Flask

BASE_DIR = os.path.dirname(os.path.abspath(__file__))
app = Flask(__name__, template_folder=BASE_DIR)

@app.route('/')
def hello(name=None):
    return render_template('hello.html', name=name)

class ProxyFix(object):
    def __init__(self, app):
        self.app = app

    def __call__(self, environ, start_response):
        environ['SERVER_NAME'] = "localhost"
        environ['SERVER_PORT'] = "8080"
        environ['REQUEST_METHOD'] = "GET"
        environ['SCRIPT_NAME'] = ""
        environ['PATH_INFO'] = "/"
        environ['QUERY_STRING'] = ""
        environ['SERVER_PROTOCOL'] = "HTTP/1.1"
        return self.app(environ, start_response)

def handle(request):
    app.wsgi_app = ProxyFix(app.wsgi_app)
    CGIHandler().run(app)

## hello.html
<!doctype html>
<title>Hello from Flask</title>
{% if name %}
  <h1>Hello {{ name }}!</h1>
{% else %}
  <h1>Hello, World!</h1>
{% endif %}

## requirements.txt
flask
	FROM python:2.7-alpine

	ADD https://github.com/alexellis/faas/releases/download/0.5.6-alpha/fwatchdog /usr/bin
	RUN chmod +x /usr/bin/fwatchdog

	WORKDIR /root/

	RUN pip install flask

	ENV fprocess="python handler.py"

	COPY handler.py .
	HEALTHCHECK --interval=1s CMD [ -e /tmp/.lock ] \|\| exit 1

	CMD ["fwatchdog"]
	#!/usr/bin/python
	import os
	from wsgiref.handlers import CGIHandler
	from flask import render_template
	from flask import Flask

	BASE_DIR = os.path.dirname(os.path.abspath(__file__))
	app = Flask(__name__, template_folder=BASE_DIR)

	@app.route('/')
	def hello(name=None):
	return render_template('hello.html', name=name)

	class ProxyFix(object):
	def __init__(self, app):
	self.app = app

	def __call__(self, environ, start_response):
	environ['SERVER_NAME'] = "localhost"
	environ['SERVER_PORT'] = "8080"
	environ['REQUEST_METHOD'] = "GET"
	environ['SCRIPT_NAME'] = ""
	environ['PATH_INFO'] = "/"
	environ['QUERY_STRING'] = ""
	environ['SERVER_PROTOCOL'] = "HTTP/1.1"
	return self.app(environ, start_response)

	def handle(request):
	app.wsgi_app = ProxyFix(app.wsgi_app)
	CGIHandler().run(app)
	<!doctype html>
	<title>Hello from Flask</title>
	{% if name %}
	<h1>Hello {{ name }}!</h1>
	{% else %}
	<h1>Hello, World!</h1>
	{% endif %}