Add docker info in README.md

.gitignore

@@ -159,4 +159,6 @@ cython_debug/
 #  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
-#.idea/
+.idea/
+
+.vscode

README.md

@@ -9,20 +9,36 @@ DVT sidecar:
 2. Polls validator exits from Relayer
 3. Pushes exit signature shares to Relayer on behalf of DVT operators.
 
-## Setup
+## Run in docker
+
+1. `cp .env.example .env`
+2. Fill .env file with appropriate values
+3. Run container
+
+```shell
+docker run \
+-u $(id -u):$(id -g) \
+--env-file .env \
+-v $(pwd)/data:/data \
+europe-west4-docker.pkg.dev/stakewiselabs/public/dvt-operator-sidecar:v0.4.2
+```
+
+## Development
+
+### Setup
 
 1. Install [poetry](https://python-poetry.org/)
 2. `poetry install`
 3. `cp .env.example .env`
 4. Fill .env file with appropriate values
 
-## Run
+### Run
 
 1. `poetry shell`
 2. `export PYTHONPATH=.`
 3. `python src/app.py`
 
-## Testing
+### Testing
 
 This section is about integration testing, when sidecar works in conjunction with DVT Relayer and Stakewise Operator.