Superset Docker: A Guide to Deploying Superset with Docker

Superset is a modern and open-source analytics and business intelligence (BI) platform. It provides a user-friendly interface for data exploration, visualization, and interactive dashboards. Docker, on the other hand, is a popular platform that allows you to package applications and their dependencies into containers. In this article, we will explore how to deploy Superset using Docker.

Prerequisites

Before we proceed, make sure you have the following prerequisites installed on your machine:

  1. Docker: [Install Docker](
  2. Docker Compose: [Install Docker Compose](

Setting Up Superset with Docker

To get started, we will use Docker Compose to define and run our Superset containers. Docker Compose allows us to define a multi-container environment using a YAML file.

Step 1: Create a Docker Compose File

Create a new file named docker-compose.yml and open it in a text editor. We will define two services: one for the Superset application and the other for the database.

```yaml
version: '3'
services:
  superset:
    image: apache/superset
    ports:
      - '8088:8088'
    environment:
      - SUPERSET_CONFIG=superset.config
    volumes:
      - './superset:/home/superset'
    depends_on:
      - db
  db:
    image: postgres
    environment:
      - POSTGRES_USER=superset
      - POSTGRES_PASSWORD=superset
      - POSTGRES_DB=superset
    volumes:
      - './postgres:/var/lib/postgresql/data'


In the above code, we specify the Superset image from Docker Hub and map the container's port 8088 to the host machine's port 8088. We also define some environment variables for Superset and PostgreSQL database.

### Step 2: Create Configuration Files

Next, we need to create two configuration files: one for Superset and the other for the PostgreSQL database.

Create a new directory named `superset` and within it, create a file named `superset.config`. Add the following configuration to the file:

```markdown
```ini
[general]
SQLALCHEMY_DATABASE_URI = 'postgresql+psycopg2://superset:superset@db:5432/superset'
SECRET_KEY = 'your_secret_key'


In this configuration, we specify the database URI for Superset to connect with the PostgreSQL database. Replace `your_secret_key` with a secure secret key.

### Step 3: Start the Containers

Now, it's time to start the Superset containers using Docker Compose. Open a terminal or command prompt, navigate to the directory containing the `docker-compose.yml` file, and run the following command:

```markdown
```bash
docker-compose up -d


This command will start the Superset and PostgreSQL containers in the background. The `-d` flag is used to run the containers in detached mode.

### Step 4: Access Superset

Once the containers are up and running, you can access Superset by opening a web browser and navigating to `http://localhost:8088`. You should see the Superset login page.

![Superset Login Page](images/superset_login.png)

Use the default credentials (`admin` / `admin`) to log in to Superset.

### Step 5: Create a Database Connection

Before you can start exploring data in Superset, you need to create a database connection. Click on the "Data" menu and select "Databases" from the dropdown menu.

![Superset Databases Menu](images/superset_databases_menu.png)

Click on the "plus" button to add a new database connection.

![Superset Add Database Connection](images/superset_add_database_connection.png)

Fill in the required details for the database connection, such as the name, type, host, port, username, and password. Click "Save" to create the connection.

### Step 6: Explore and Visualize Data

With the database connection set up, you can now start exploring and visualizing your data in Superset.

Click on the "Data" menu and select "SQL Lab" from the dropdown menu. Here, you can write and execute SQL queries against your database.

![Superset SQL Lab](images/superset_sql_lab.png)

You can also create interactive dashboards and visualizations by clicking on the "Explore" menu and selecting the desired visualization type.

## Conclusion

In this article, we have learned how to deploy Superset using Docker. We created a Docker Compose file to define the Superset and PostgreSQL containers, started the containers, and accessed Superset through a web browser. We also explored how to create a database connection and use Superset's features to explore and visualize data.

Superset Docker provides a convenient way to deploy and manage Superset in a production environment. By using Docker, you can ensure consistent and reproducible deployments across different environments. Start exploring the power of Superset today with Docker!

> "Superset is a powerful analytics and visualization tool. With Docker, you can easily set up and manage Superset in a production environment."