add running the bot and runnig update with Docker documentation to README.md; add .env.dist to .dockerignore; set default value to LOG_LEVEL in .env.dist

.dockerignore

@@ -14,3 +14,4 @@ README.md
 
 # Environment
 .env
+.env.dist

.env.dist

@@ -5,4 +5,4 @@ RSSBOT_TG_TOKEN=1234567890:yourbotstoken
 # POSTGRES_USER=xxx
 # POSTGRES_PASSWORD=xxx
 # POSTGRES_DB=xxx
-# LOG_LEVEL=xxx
+# LOG_LEVEL=INFO

README.md

@@ -44,3 +44,28 @@ export RSSBOT_TG_TOKEN=xxx
 export RSSBOT_DSN=xxx
 python update.py
 ```
+
+## Runnig the bot with Docker
+
+```shell
+docker build . -t tg_bot
+docker run tg_bot
+```
+
+## Runnig the update with Docker
+
+```shell
+docker run tg_bot update.py
+```
+
+## Running the bot with docker-compose
+
+```shell
+docker-compose up
+```
+
+## Running the update with docker-compose
+
+```shell
+docker-compose run app update.py
+```