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Apache Airflow com Docker Compose

Este repositório contém a configuração necessária para executar o Apache Airflow usando Docker Compose. Ele inclui um arquivo docker-compose.yaml que configura o ambiente do Airflow com PostgreSQL como banco de dados e uma DAG de exemplo com cinco tarefas.

Requisitos

  • Docker
  • Docker Compose
  • Python3

Passos para Configuração

1. Clone este repositório

git clone https://github.com/Percon12/Airflow.git

cd Airflow

2. Gere uma chave Fernet

python -c "from cryptography.fernet import Fernet; print(Fernet.generate_key().decode())"

Modifique o arquivo Docker-compose.yaml

environment:
    AIRFLOW__CORE__FERNET_KEY: 'SUA_CHAVE_FERNET_GERADA_AQUI'

3. Inicialize o ambiente e os serviços do Airflow

Execute o comando abaixo para inicializar o banco de dados e criar o usuário admin:

docker-compose up airflow-init

Após a inicialização, inicie todos os serviços do Airflow:

docker-compose up -d

4. Acesse a interface do Airflow

Abra o navegador e acesse http://localhost:8080. O nome de usuário padrão é admin e a senha padrão é admin.

5. Criando uma nova DAG

Para criar uma nova DAG, siga os passos abaixo:

Crie um novo arquivo Python no diretório dags. Por exemplo, new_dag.py.

Para mais informações, visite: https://airflow.apache.org/docs/apache-airflow/stable/core-concepts/dags.html

Depois de criar, reinicie os serviços do Airflow para carregar a nova DAG:

docker-compose restart webserver scheduler

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