287 lines
9.2 KiB
Plaintext
287 lines
9.2 KiB
Plaintext
import styles from '../deployment.module.css';
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import Tabs from '@theme/Tabs';
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import TabItem from '@theme/TabItem';
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# Deploy Your Medusa Server on Heroku
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In this document, you'll learn how to deploy your Medusa server on Heroku. Heroku is a PaaS (Platform as a Service) that allows you to easily deploy your applications in the cloud.
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Alternatively, you can use this button to deploy the Medusa server to Heroku directly:
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[](https://heroku.com/deploy?template=https://github.com/medusajs/medusa-starter-default/tree/feat/deploy-heroku)
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<div>
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<video width="100%" height="100%" playsinline autoplay muted controls>
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<source src="https://user-images.githubusercontent.com/59018053/154798681-37060f13-5248-47c5-97c5-81c06da301d4.mp4" type="video/mp4" />
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</video>
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</div>
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## Prerequisites
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### Medusa Server
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It is assumed that you already have a Medusa server installed locally. If you don’t, please follow our [quickstart guide](../../quickstart/quick-start.md).
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Furthermore, your Medusa server should be configured to work with PostgreSQL and Redis. You can follow the [Configure your Server documentation](../../usage/configurations.md) to learn how to do that.
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### Needed Accounts
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- A [Heroku](https://heroku.com/) account.
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### Required Tools
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- Git’s CLI tool. You can follow [this documentation to learn how to install it for your operating system](../../tutorial/0-set-up-your-development-environment.mdx#git).
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- Heroku's CLI tool. You can follow [Heroku's documentation to learn how to install it for your operating system](https://devcenter.heroku.com/articles/heroku-cli).
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## Deploy to Heroku
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### 1. Login to Heroku from your CLI
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Before you can create an app with Heroku, you must login with the CLI tool:
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```bash
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heroku login
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```
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Depending on your operating system, you must follow either the instructions in your terminal or a page in your browser will open.
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### 2. Create an App with Heroku
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In the root directory of your Medusa server, run the following commands to create an app on Heroku and add it as a remote origin:
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```bash
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heroku create <APP_NAME>
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heroku git:remote -a <APP_NAME>
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```
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Where `<APP_NAME>` is the name of the app you'll create. You can use any name you want.
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### 3. Install Postgresql and Redis on Heroku
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Medusa requires a Postgres database and a Redis instance to work. You can add those to your Heroku app using Add-ons.
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:::tip
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In this section, the add-ons are used with a free plan. It's highly recommended that you don't use a free plan in a production environment.
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:::
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#### PostgreSQL
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Add a Postgres add-on to your Heroku app with the following command:
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:::note
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This add-on is added with a free plan. However, Heroku might require you to add a payment method to proceed.
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:::
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```bash
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heroku addons:create heroku-postgresql:hobby-dev
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```
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This uses the free plan of Heroku Postgres. Make sure to check out [more information regarding the plans and pricing of Heroku Postgres](https://elements.heroku.com/addons/heroku-postgresql#pricing).
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#### Redis
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:::note
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The Add-on used here for Redis is [Upstash](https://devcenter.heroku.com/articles/upstash-redis) which is currently in beta. However, it provides a generous free plan. You can alternatively go for [Stackhero](https://elements.heroku.com/addons/stackhero-redis) but it does not have a free plan.
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:::
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Add a Redis instance to your Heroku app with the following command:
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:::note
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This add-on is added with a free plan. However, Heroku might require you to add a payment method to proceed.
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:::
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```bash
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heroku addons:create upstash-redis
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```
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This uses the free plan of Upstash. Make sure to check out [more information regarding the plans and pricing of Upstash](https://elements.heroku.com/addons/upstash-redis#pricing).
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### 4. Configure Environment Variables on Heroku
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Medusa requires a set of environment variables to be configured. You can learn more about Medusa's configurations in the [Configure your Medusa Server](../../usage/configurations.md) document.
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Run the following commands in the root directory of your Medusa server to set some environment variables:
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```bash
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heroku config:set NODE_ENV=production
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heroku config:set JWT_SECRET=your-super-secret
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heroku config:set COOKIE_SECRET=your-super-secret-pt2
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heroku config:set NPM_CONFIG_PRODUCTION=false
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```
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:::tip
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Make sure to replace `your-super-secret` and `your-super-secret-pt2` with actual secrets in a production environment.
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:::
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#### Set Buildpack
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Additionally, you need to set the buildpack to Node.js using the following command:
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```bash
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heroku buildpacks:set heroku/nodejs
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```
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#### Configure the Redis URL
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Upstash adds the Redis URL under the environment variable `UPSTASH_REDIS_URL`. However, Medusa looks for the `REDIS_URL` environment variable when initializing the connection with Redis.
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So, retrieve the value of `UPSTASH_REDIS_URL` with the following command:
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```bash
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heroku config:get UPSTASH_REDIS_URL
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```
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This prints the value of the environment variable which is a Redis connection string.
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Copy that value and use it to set the environment variable `REDIS_URL` with the following command:
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```bash
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heroku config:set REDIS_URL=<YOUR_REDIS_URL>
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```
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Where `<YOUR_REDIS_URL>` is the value you received from the previous command.
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#### Configure the PostgreSQL Database URL
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If you're using the Heroku PostgreSQL Add-on, it should configure the environment variable `DATABASE_URL`. So, you don't need to perform any additional actions.
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However, if you use another add-on, make sure to set the environment variable `DATABASE_URL` to the PostgreSQL Database URL.
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#### (Optional) Configure CORS Variables
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Optionally, if you've deployed the admin dashboard and you want to ensure it can use the server's REST APIs, you must set the following environment variable:
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```bash
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heroku config:set ADMIN_CORS=<YOUR_ADMIN_URL>
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```
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Where `<YOUR_ADMIN_URL>` is the URL of your admin dashboard.
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Similarly, if you've deployed the storefront and you want to ensure it can use the server's REST APIs, you must set the following environment variable:
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```bash
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heroku config:set STORE_CORS=<YOUR_STOREFRONT_URL>
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```
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Where `<YOUR_STOREFRONT_URL>` is the URL of your storefront.
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### 5. Configure Medusa Server
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Before jumping into the deployment, you need to configure your Medusa server to ensure it uses the previous environment variables and the recommended production configurations.
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#### medusa-config.js
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Update `module.exports` to include the following configurations:
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```js
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module.exports = {
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projectConfig: {
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redis_url: REDIS_URL,
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database_url: DATABASE_URL,
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database_type: "postgres",
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store_cors: STORE_CORS,
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admin_cors: ADMIN_CORS,
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database_extra:
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process.env.NODE_ENV !== "development"
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? { ssl: { rejectUnauthorized: false } }
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: {},
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},
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plugins,
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};
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```
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#### package.json
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Update `scripts` to include the following scripts:
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```json
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"scripts": {
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"serve": "medusa start",
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"start": "medusa develop",
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"heroku-postbuild": "medusa migrations run",
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"prepare": "npm run build",
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"build": "babel src -d dist --extensions \".ts,.js\""
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},
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```
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### 6. Launch your Medusa Server
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Finally, commit and push all changes to Heroku:
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```bash
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git add .
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git commit -m "Deploy Medusa Server on Heroku"
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git push heroku HEAD:master
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```
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This triggers a redeploy of the Medusa server with all the new configurations.
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## Test your Server
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To test your server, run the following command to retrieve the server's URL:
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```bash
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heroku apps:info -a <APP_NAME>
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```
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Where `<APP_NAME>` is the name of the app. You should see as the output a bunch of info of the app.
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The server's URL is available under "Web URL". You can copy it and perform requests to it to test it out.
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For example, you can send a request to `<YOUR_SERVER_URL>/store/products` and you should receive a JSON response with the products in your store.
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### Troubleshooting: Inspect Build Logs
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If an error occurs during the deployment, you can explore your Heroku app build logs using the following command in the root directory of your Medusa server:
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```bash
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heroku logs -n 500000 --remote heroku --tail -a <APP_NAME>
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```
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Where `<APP_NAME>` is the name of the app.
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## Run Commands on Your Server
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To run commands on your server, you can use the following command:
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```bash
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heroku run -a <APP_NAME> -- <COMMAND>
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```
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Where `<APP_NAME>` is the name of the app and `<COMMAND>` is the command you want to run.
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For example, to create an admin user you can run the following command:
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```bash
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heroku run -a <APP_NAME> -- medusa user -e "<EMAIL>" -p "<PASSWORD>"
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```
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Where `<APP_NAME>` is the name of your Heroku app, and `<EMAIL>` and `<PASSWORD>` are the credentials you want to use to log in to the Medusa admin dashboard.
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## Add Environment Variables
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You’ll likely need to add environment variables later such as Admin CORS and Store CORS variables.
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To set or change an environment variable's value, you can use the following command:
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```bash
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heroku config:set <ENV_NAME>=<ENV_VALUE> -a <APP_NAME>
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```
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Where `<APP_NAME>` is the name of your Heroku app, `<ENV_NAME>` is the name of the environment variable, and `<ENV_VALUE>` is the value.
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## What's Next :rocket:
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- Learn how to [deploy your Medusa admin](../admin/index.mdx).
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- Learn how to [deploy your storefront](../storefront/index.mdx).
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