Update README

README.md

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+#  Autopsy: web app for postmortems
 
+![Autopsy](autopsy_app/static/autopsy.svg) Autopsy is free, Flask-based Postmortem web app. Autopsy spreads postmortems culture, involves people to learn on the failures.
 
-# Icon authors:
+## Concepts
+
+* Users can add, update postmortems
+* You can update only your postmortem
+* User with id == 0 is a service's admininstrator
+
+## Features
+
+* Dashboard shows latest and random postmortems
+* Postmortems shows list of postmortems with CRUD
+* Search performs search operation in Postmortems' names
+* Admin page manages all the service's data in Flask-admin way
+* Users can register, login, update the profile, create support tickets (attaching screenshot), logout and restore their password via email.
+
+## Roadmap
+[Trello](https://trello.com/b/ngqvbNgt/autopsy)
+
+## Requirements
+
+* python3
+* SMTP server (for password reset)
+
+## Installation
+
+#### Clone the project
+```
+git clone https://github.com/ep4sh/autopsy.git
+cd autopsy
+```
+
+#### Python venv
+I'd recommend to use python [virtual environment](https://docs.python.org/3/library/venv.html) to install all dependencies:
+```
+python3 -m venv /path/to/new/virtual/environment
+source /path/to/new/virtual/environment
+```
+
+#### Dotenv files
+Autopsy reads the key-value pairs from `.env` files and adds them to environment variable
+```
+cp .env.example .env
+```
+
+#### Dotenv file settings description
+
+|Variable | Value(default)  | Required for update |Description|
+--- | --- | --- |---
+|FLASK_APP| main.py| No |Name of the main module|
+|FLASK_ENV|development| depends |[Flask mode](https://flask.palletsprojects.com/en/1.1.x/config/?highlight=debug#DEBUG)|
+|FLASK_SECRET| abcdef | Yes| [Flask Secret](https://flask.palletsprojects.com/en/1.1.x/config/?highlight=secret#SECRET_KEY)|
+|MAIL_SERVER| smtp.yandex.ru | Yes | SMTP server URL|
+|MAIL_PORT| 465 | Yes | SMTP server port|
+|MAIL_USE_SSL| True | depends | SMTP server SSL|
+|MAIL_USERNAME| login | Yes | Username for no-reply@ account|
+|MAIL_PASSWORD| password | Yes | Password for no-reply account|
+|SQLALCHEMY_DATABASE_URI| "sqlite:///autopsy.db"| Yes | Database URI|
+|SQLALCHEMY_TRACK_MODIFICATIONS| main.py| depends| Track DB modification|
+
+## Icon authors:
 [DinosoftLabs](https://www.flaticon.com/authors/dinosoftlabs)
 [FreePik](https://www.freepik.com/)
+
+## Books
+I'm in love with books. If you want to thank me, just help me to buy books from the list
+
+[![buy-me-a-book](https://img.shields.io/badge/Amazon-Buy%20me%20a%20book-important)](https://www.amazon.com/hz/wishlist/ls/3NSSXQK5CTS8N?ref_=wl_share)