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Readme.md

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+A simple URL Shortener
+======================
+
+This is the code for the url shortener running at https://dre.li - it supports emoji urls 💁‍♂️
+
+## Requirements
+
+  * A running MongoDB server
+
+## Config
+
+The following config flags can be used:
+| Flag             | Environment Variable | Default                   | Description                      |
+|------------------|----------------------|---------------------------|----------------------------------|
+| --mongodb        | MONGODB              | "localhost/url-shortener" | MongoDB Connection String        |
+| --port           | PORT                 | 8000                      | Port on which the server listens |
+| --admin-password | ADMIN_PASSWORD       | foobar2342                | Password for the /admin endpoint |
+| --base-url       | BASE_URL             | "http://localhost:8000"   | Base URL for shorturls           |
+
+## Docker
+
+Dockerfile is enclosed, a premade container will be available soon
+
+## Shorten URLs!
+
+Do it either with the Webinterface located at the root, or
+
+  * POST / with x-www-form-urlencoded value "url" set
+  * POST / with query parameter ?url=
+
+Also there is a second parameter, "emoji" if you set this to "1", it will create a shorturl using emojis
+
+It is compatible with Software like dropshare