update README with docker info

Dockerfile

@@ -1,5 +1,6 @@
 FROM python:3.11-alpine
 
 RUN pip install airflow-helper
+WORKDIR /app
 
 ENTRYPOINT [ "airflow-helper" ]

README.md

@@ -1,7 +1,7 @@
 ### About the Airflow Helper
 
 
-![badge1](https://img.shields.io/pypi/v/airflow-helper) ![badge2](https://img.shields.io/pypi/l/airflow-helper) ![badge3](https://img.shields.io/pypi/pyversions/airflow-helper) ![workflow](https://github.com/xnuinside/airflow-helper/actions/workflows/main.yml/badge.svg)
+![badge1](https://img.shields.io/pypi/v/airflow-helper) ![badge2](https://img.shields.io/pypi/l/airflow-helper) ![badge3](https://img.shields.io/pypi/pyversions/airflow-helper) ![workflow](https://github.com/xnuinside/airflow-helper/actions/workflows/ci-tests-runner.yml/badge.svg)
 
 
 It's pretty fresh. Docs maybe not clear yet, keep calm ! I will update them soon :) 
@@ -38,6 +38,8 @@ I can only guarantee that 100% library works with Apache Airflow versions that a
 
 #### Installation
 
+1. With Python in virtualenv from PyPi: https://pypi.org/project/airflow-helper/
+
 ```console
 
     pip install airflow-helper
@@ -50,6 +52,19 @@ I can only guarantee that 100% library works with Apache Airflow versions that a
 
 ```
 
+2. With docker image from Docker Hub: https://hub.docker.com/repository/docker/xnuinside/airflow-helper/
+
+``` console
+
+  # pull image
+  docker pull xnuinside/airflow-helper:latest
+
+  # sample how to run command
+
+  docker run -it xnuinside/airflow-helper:latest --help
+```
+
+1. Example, how to use in docker-compose: example/docker-compose-example.yaml
 
 #### Default settings
 

example/airflow_settings_base.yaml

@@ -3,6 +3,4 @@ airflow:
     - id: fs_default
       type: File System default
       host: localhost
-      extra:
-        arg-1: value
-        arg-2: value    
+      extra: '{"arg-1": "value", "arg-2": "value"}'

example/docker-compose-example.yaml

@@ -3,12 +3,7 @@
 version: '3'
 x-airflow-common:
   &airflow-common
-  image: ${AIRFLOW_IMAGE_NAME:-apache/airflow:2.1.2}
-  build:
-    context: ../..
-    dockerfile: docker/Dockerfile
-    args:
-      - GITLAB_TOKEN=${GITLAB_TOKEN:?err}
+  image: ${AIRFLOW_IMAGE_NAME:-apache/airflow:2.7.3}
   environment:
     &airflow-common-env
     AIRFLOW__CORE__EXECUTOR: CeleryExecutor
@@ -29,7 +24,7 @@ services:
       POSTGRES_PASSWORD: airflow
       POSTGRES_DB: airflow
     volumes:
-      - postgres-db-volume:/var/lib/postgresql/data
+      - db-volume:/var/lib/postgresql/data
     healthcheck:
       test: ["CMD", "pg_isready", "-U", "airflow"]
       interval: 5s
@@ -55,6 +50,18 @@ services:
       _AIRFLOW_WWW_USER_CREATE: 'true'
       _AIRFLOW_WWW_USER_USERNAME: ${_AIRFLOW_WWW_USER_USERNAME:-airflow}
       _AIRFLOW_WWW_USER_PASSWORD: ${_AIRFLOW_WWW_USER_PASSWORD:-airflow}
+
+
+  airflow-helper:
+    volumes:
+      - .:/app/configs
+    image: xnuinside/airflow-helper:latest
+    command: load /app/configs/airflow_settings_local.yaml --host http://airflow-webserver
+    depends_on:
+      postgres:
+        condition: service_healthy
+      airflow-webserver:
+        condition: service_healthy
 
 volumes:
   db-volume: