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GeezerVison is showing github.com — fullstackpython.github.com/platform-as-a-service.html at gh-pages · kevinisaac/fullstackpython.github.com Expand file tree/ Copy pathplatform-as-a-service.htmlMore file actions 307 lines (297 loc) · 20.5 KB / Copy pathplatform-as-a-service.htmlFile metadata and controls307 lines (297 loc) · 20.5 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 <!DOCTYPE html> <html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="author" content="Matt Makai"> <link rel="shortcut icon" href="theme/img/fsp-fav.png"> <title>Platform-as-a-service - Full Stack Python</title> <!--[if lt IE 9]> <script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script> <script src="https://oss.maxcdn.com/libs/respond.js/1.3.0/respond.min.js"></script> <![endif]--> <link href="theme/css/f.min.css" rel="stylesheet"> <link href="//netdna.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.css" rel="stylesheet"> <style> .toc-indent {padding-left: 25px;} .toc-more-indent {padding-left: 37px;} </style> <script> (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) })(window,document,'script','//www.google-analytics.com/analytics.js','ga'); ga('create', 'UA-19910497-7', 'auto'); ga('send', 'pageview'); </script> </head> <body> <a href="https://github.com/makaimc/fullstackpython.github.com"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://camo.githubusercontent.com/a6677b08c955af8400f44c6298f40e7d19cc5b2d/68747470733a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f677261795f3664366436642e706e67" alt="Fork me on GitHub" data-canonical-src="https://s3.amazonaws.com/github/ribbons/forkme_right_gray_6d6d6d.png"></a> <div class="container"> <div class="row"> <div class="col-md-12"> <div class="logo-header-section"> <a href="/" style="text-decoration: none; border: none;"><img src="theme/img/fsp-logo.png" height="52" width="52" class="logo-image" style="padding-top: 1px;" alt="Full Stack Python logo"></a> <span class="logo-title"><a href="/">Full Stack Python</a></span> </div> </div> </div><div class="row"> <div class="col-md-8"> <h1>Platform-as-a-service</h1> <p>A platform-as-a-service (PaaS) provides infrastructure and a software layer on which a web application is deployed. Running your web application from a PaaS removes the need to know as much about the underlying servers, operating system, web server, and often the WSGI server. </p> <p><em>Note</em>: If you are not interested in deploying to a PaaS you can move ahead to the <a href="../wsgi-servers.html">WSGI servers</a> section.</p> <p>The PaaS layer defines how the application accesses resources such as computing time, files, and external services. The PaaS provides a higher-level abstraction for working with computing resources than deploying an application to a server or IaaS.</p> <p>A PaaS makes deployment and operations easier because it forces the developer to conform applications to the PaaS architecture. For example, Heroku looks for Python's requirements.txt file in the base directory of the repository during deployment because that is the file's de facto community standard location.</p> <p><img src="theme/img/servers-versus-paas.png" width="100%" alt="Traditional LAMP server stack versus a Platform-as-a-Service stack" class="technical-diagram" /></p> <p>If you go the PaaS route, you can skip configuring an operating system and web server prebaked into PaaS offerings. PaaS offerings generally start at the WSGI server layer. </p> <h2>Platform-as-a-service responsibilities</h2> <p>Although PaaS offerings simplify setting up and maintaining the servers, operating system, and web server, developers still have responsibilities for other layers of their web stack.</p> <p>While it's useful to know the operating system that underpins your PaaS, for example Heroku uses Ubuntu 10.04, you will not have to know as much about securing the operating system and server level. However, web applications deployed to a PaaS are just as vulnerable to security breaches at the application level as a standard LAMP stack. It's still your responsibility to ensure the web application framework and your app itself is up to date and secured. See the <a href="../web-application-security.html">security section</a> for further information.</p> <h2>Platforms-as-a-service that support Python</h2> <ul> <li> <p><a href="http://www.heroku.com/">Heroku</a></p> </li> <li> <p><a href="https://developers.google.com/appengine/">Google App Engine</a></p> </li> <li> <p><a href="https://gondor.io/">Gondor</a></p> </li> <li> <p><a href="https://www.pythonanywhere.com/">PythonAnywhere</a></p> </li> <li> <p><a href="https://openshift.redhat.com/community/get-started/python>">OpenShift</a></p> </li> <li> <p><a href="https://aws.amazon.com/elasticbeanstalk/">AWS Elastic Beanstalk</a></p> </li> </ul> <h2>Platform-as-a-service resources</h2> <ul> <li> <p><a href="http://appsembler.com/blog/paas-bakeoff-comparing-stackato-openshift-dotcloud-and-heroku-for-django-hosting-and-deployment/">PaaS bakeoff: Comparing Stackato, OpenShift, Dotcloud and Heroku for Django hosting and deployment</a> by <a href="https://twitter.com/natea">Nate Aune</a>.</p> </li> <li> <p><a href="http://www.rdegges.com/deploying-django/">Deploying Django</a> by Randall Degges is another great free resource about Heroku.</p> </li> <li> <p>Heroku's <a href="https://devcenter.heroku.com/articles/getting-started-with-python">Python deployment documentation</a> provides clear examples for how to work with virtualenv, pip and requirementst.txt to get a applications deployed to their platform.</p> </li> <li> <p>Miguel Grinberg's Flask tutorial contains an entire post on deploying <a href="http://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-part-xviii-deployment-on-the-heroku-cloud">Flask applications to Heroku</a>.</p> </li> <li> <p>This series on DevOps Django by <a href="https://twitter.com/rdegges">Randall Degges</a> is great reading for using the Heroku service:</p> <ul> <li><a href="http://www.rdegges.com/devops-django-part-1-goals/">Part One: Goals</a></li> <li><a href="http://www.rdegges.com/devops-django-part-2-the-pain-of-deployment/">Part Two: The Pain of Deployment</a></li> <li><a href="http://www.rdegges.com/devops-django-part-3-the-heroku-way/">Part Three: The Heroku Way</a></li> <li><a href="http://rdegges.com/devops-django-part-4-choosing-heroku">Part Four: Choosing Heroku</a></li> </ul> </li> <li> <p><a href="https://realpython.com/blog/python/deploying-a-django-app-to-aws-elastic-beanstalk/">Deploying a Django App to AWS Elastic Beanstalk</a> is a fantastic post that shows how to deploy to Amazon Web Service's own PaaS.</p> </li> <li> <p><a href="https://news.mlh.io/deploy-your-hack-in-3-steps-intro-to-aws-and-elastic-beanstalk-02-20-2015">Deploy your hack in 3 steps: Intro to AWS and Elastic Beanstalk</a> shows how to deploy a simple Ruby Sinatra app, but the steps are generally applicable to Python web apps as well. </p> </li> </ul> <h2>Platform-as-a-service learning checklist</h2> <p><i class="fa fa-check-square-o"></i> Review the potential Python platform-as-a-service options above and on their websites.</p> <p><i class="fa fa-check-square-o"></i> Sign up for a PaaS account at the provider that appears to best fit your application needs. Heroku is the PaaS option recommended for starters due to their detailed documentation and walkthroughs available on the web. However, the other options are perfectly viable since their purpose is to make deploying applications as easy as possible.</p> <p><i class="fa fa-check-square-o"></i> Check if there are any PaaS-specific configuration files needed for your app to run properly on the PaaS after it is deployed.</p> <p><i class="fa fa-check-square-o"></i> Deploy your app to the PaaS. </p> <p><i class="fa fa-check-square-o"></i> Sync your application's configuration with the database.</p> <p><i class="fa fa-check-square-o"></i> Set up a content delivery network for your application's <a href="/static-content.html">static content</a> unless your PaaS provider already handles this deployment step for you.</p> <p><i class="fa fa-check-square-o"></i> Check if the application's functionality is working and tweak as necessary.</p> <h3>Do you want to use a PaaS or deploy to a traditional server?</h3> <div class="row"> <div class="col-md-3"> <div class="well select-next"> <a href="/wsgi-servers.html" class="btn btn-success btn-full"><i class="fa fa-play fa-inverse fa-2x"></i></a> <p class="under-btn"> What WSGI server should I use to run Python code? </p> </div> </div> <div class="col-md-3"> <div class="well select-next"> <a href="/databases.html" class="btn btn-success btn-full"><i class="fa fa-hdd-o fa-2x"></i></a> </a> <p class="under-btn"> How do I set up a database for use with my app? </p> </div> </div> <div class="col-md-3"> <div class="well select-next"> <a href="/application-dependencies.html" class="btn btn-success btn-full"><i class="fa fa-archive fa-inverse fa-2x"></i></a> <p class="under-btn"> How can I install the libraries my app depends upon? </p> </div> </div> <div class="col-md-3"> <div class="well select-next"> <a href="/static-content.html" class="btn btn-success btn-full"><i class="fa fa-spinner fa-inverse fa-2x"></i></a> <p class="under-btn"> My PaaS says I should use a CDN to serve static content. 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