Added untested Docker example

Dockerfile

@@ -0,0 +1,7 @@
+FROM python:3.6.1-slim
+ENV CONFIG_PATH "./main.cfg"
+RUN mkdir /code
+WORKDIR /code
+ADD requirements.txt /code/
+RUN pip install -r requirements.txt
+ADD . /code/

README.md

@@ -9,6 +9,7 @@ ImaginaryFriend can:
 * reply to random messages in chat groups,
 * reply to replies to its messages / messages mentioning it,
 * send (one!) sticker ("I'm frustrated by all these stickers"),
+* detect repeating media files and send [:||||||||||||:] to chat,
 * do some commands.
 
 ### Examples
@@ -42,7 +43,7 @@ ImaginaryFriend can:
 
 ## Commands
 
-* `/ping`,
+* `/ping`: you know the drill,
 * `/get_stats`: get information on how many pairs are known by ImaginaryFriend,
 * `/chance n`: set the probability that ImaginaryFriend would reply to a random message (must be in range 1-50, default: 5),
 * `/сhance`: get current probability that ImaginaryFriend would reply to a message,
@@ -53,14 +54,19 @@ ImaginaryFriend can:
 
 ## Installation and Setup
 
-### Dependencies
-* `python >= 3.5.2`
-* `python-telegram-bot==5.2.0`
-* `redis==2.10.5`
+### Setup using Docker
+1. Install [Docker](https://store.docker.com/search?offering=community&type=edition)
+2. Rename `main.cfg.example` to `main.cfg`
+3. Talk to [@botfather](https://telegram.me/botfather) and create your own bot.
+4. Open `main.cfg` file in text editor and paste your newly created bot token into `bot`.`token` property
+5. Execute `docker-compose up`
+6. Congrats! You now have ImaginaryFriend of your own!
 
-### Setup
-1. Install dependencies with PIP
-2. Install `Redis`
-3. Rename `main.cfg.example` to `main.cfg`, set `bot` and `redis` properties
-4. (Optionally) Configure `updates` property for websocket support
-5. Run the `run.py` using python
+## Setup without Docker
+1. Install [Python >= 3.5.2](https://www.python.org/downloads/)
+2. Install [Redis >= 3.2](https://redis.io/download)
+3. Install dependencies with PIP by executing command `pip install -r requirements.txt`
+4. Talk to [@botfather](https://telegram.me/botfather) and create your own bot.
+5. Open `main.cfg` file in text editor and paste your newly created bot token into `bot`.`token` property
+6. (Optionally) Configure `updates` property for websocket support
+7. Execute the `python run.py`

docker-compose.yml

@@ -0,0 +1,11 @@
+version: '2.1'
+services:
+  bot:
+    build: .
+    command: python run.py
+    volumes:
+      - .:/code
+    depends_on:
+      - redis
+  redis:
+    image: redis:3.2.8-alpine

main.cfg.example

@@ -1,8 +1,7 @@
 [bot]
 token=
-name=
-anchors=
-messages=
+name=ImaginaryFriend
+anchors=bot
 purge_interval=43200.0
 default_chance=5
 spam_stickers=BQADAgADSAIAAkcGQwU-G-9SZUDTWAI
@@ -32,6 +31,6 @@ key=
 cert=
 
 [redis]
-host=
-port=
-db=
+host=redis
+port=6379
+db=0

requirements.txt

@@ -1,2 +1,2 @@
-python-telegram-bot
-redis
+python-telegram-bot==5.3.0
+redis==2.10.5

src/config.py

@@ -1,10 +1,11 @@
 # Config
 import configparser
+import os
 
 encoding = 'utf-8'
 
 sections = {
-    'bot': ['token', 'name', 'anchors', 'messages', 'purge_interval', 'default_chance', 'spam_stickers'],
+    'bot': ['token', 'name', 'anchors', 'purge_interval', 'default_chance', 'spam_stickers'],
     'grammar': ['chain_length', 'separator', 'stop_word', 'end_sentence', 'all'],
     'logging': ['level'],
     'updates': ['mode'],
@@ -18,8 +19,9 @@ def getlist(self, section, option, type=str):
 
 configparser.ConfigParser.getlist = getlist
 
+config_path = os.environ['CONFIG_PATH']
 config = configparser.ConfigParser()
-config.read('./main.cfg', encoding=encoding)
+config.read(config_path, encoding=encoding)
 
 for section, options in sections.items():
     if not config.has_section(section):