Merge branch 'copy' into 'master'

Copy

See merge request bzbmeyer/flask-learning-env!1

.gitignore

+# configuration and readme
+!.gitignore
+!.gitpod.yml
+!.gitpod.Dockerfile
+!learn.json
+!README.md
+
+# exercises
+!.learn/
+!.learn/*
+.learn/_app
+.learn/.session
+.learn/dist
+.learn/app.tar.gz
+.learn/config.json
+
+# python compiled files
+*.pyc
+__pycache__/
+.pytest_cache/
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.gitpod.Dockerfile

+FROM gitpod/workspace-full:latest
+
+RUN sudo apt update && sudo apt upgrade -y
+RUN npm install -g learnpack && learnpack plugins:install learnpack-python
+
+USER trainee

.gitpod.yml

+image:
+  file: .gitpod.Dockerfile
+
+ports:
+  - port: 5000
+    onOpen: open-preview
+tasks:
+  - command: learnpack start -g incremental
+
+vscode:
+  extensions:
+    - "ms-python.python"
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.learn/exercises/01-hello-world/README.md

+# 00 - Hello World with Flask
+
+It's recommended to use the latest version of Python 3. Flask itselfs supports Python 3.5 and newer, Python 2.7, and PyPy.
+
+To check the installed version of Python use the following command:
+`python --version` or `python3 --version`
+
+Dependencies are automatically installed when FLask will be installed. So the next step is to install Flask.
+`pip install Flask`
+  
+After you successfully installed Python, the next step is to deploy your first Flask Application. Let's start with an Basic Application, which looks like this.
+
+```python
+from flask import Flask
+
+app = Flask(__name__)
+
+@app.route('/')
+def hello_world():
+	return 'Hello, World!'
+```
+
+First, lets talk about the code.
+
+1. First we imported the Flask class. An instance of this class will be our WSGI application.
+2. Next we create an instance of this class.
+3. We then use the route() decorator to tell Flask waht URL should trigger our function.
+4. The function is given a name which is also used to generate URLs for that particular function, and returns the message we want to display in the user’s browser.
+
+As you understand what we did we can safe the app as `app.py` for example. To run the application you can use either the `flask` command or the python's `-m` switch. But first you need to tell your terminal the application to work with by exporting the `FLASK_APP` environment variable:
+
+```bash
+$ export FLASK_APP=hello.py
+$ flask run
+	* Running on http://127.0.0.1:5000/
+```
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.learn/exercises/02-routing/README.md

+# 01 - Routing
+
+Modern web applications use meaningful URLs to help users. Users are more likely to like a page and come back if the page uses a meaningful URL they can remember and use to directly visit a page.
+
+Use the **route()** decorator to bind a function to a URL.
+```python
+@app.route('/')
+def index():
+    return 'Index Page'
+
+@app.route('/hello')
+def hello():
+    return 'Hello, World'
+```
+
+## Variable Rules
+You can add variable sections to a URL by marking sections with `<variable_name>`. Your function then receives the `<variable_name>` as a keyword argument. Optionally, you can use a converter to specify the type of the argument like `<converter:variable_name>`.
+
+```python
+from markupsafe import escape
+
+@app.route('/user/<username>')
+def show_user_profile(username):
+    # show the user profile for that user
+    return 'User %s' % escape(username)
+
+@app.route('/post/<int:post_id>')
+def show_post(post_id):
+    # show the post with the given id, the id is an integer
+    return 'Post %d' % post_id
+
+@app.route('/path/<path:subpath>')
+def show_subpath(subpath):
+    # show the subpath after /path/
+    return 'Subpath %s' % escape(subpath)
+```
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.learn/exercises/03-renderingTemplates/README.md

+https://flask.palletsprojects.com/en/1.1.x/quickstart/
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.learn/exercises/04-dockerize-your-app/https:/runnable.com/docker/python/README.md

+https://runnable.com/docker/python/dockerize-your-flask-application
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README.ejs

+# Welcome to <%= it.title %>
+
+You have initialized the exercises with grading=`incremental`; meaning that your students will complete one single tutorial with clear and autograded steps from beginning to end.
+
+Type `$ learnpack start` in your terminal to start the exercises.
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README.md

+# Learning Env Flask
+
+THIS IS UNDER CONSTRUCTIONS
+
+# notes siehe learnpack.co
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learn.json

+{
+  "port": 3000,
+  "address": "http://localhost",
+  "editor": {
+    "mode": null,
+    "version": null
+  },
+  "dirPath": "./.learn",
+  "configPath": "./learn.json",
+  "outputPath": "./.learn/dist",
+  "publicPath": "/preview",
+  "grading": "incremental",
+  "exercisesPath": "./",
+  "webpackTemplate": null,
+  "disableGrading": false,
+  "actions": [
+    "build",
+    "test",
+    "reset"
+  ],
+  "entries": {
+    "html": "index.html",
+    "vanillajs": "index.js",
+    "react": "app.jsx",
+    "node": "app.js",
+    "python3": "app.py",
+    "java": "app.java"
+  },
+  "difficulty": "easy",
+  "duration": 2,
+  "description": "",
+  "title": "Flask Learning Environment",
+  "slug": "flask-learning-environment"
+}
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