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---
title: Official Docker images
sidebarDepth: 3
---
# Official Docker images
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Castopod pushes 3 Docker images to the Docker Hub during its automated build
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process:
- [**`castopod/castopod`**](https://hub.docker.com/r/castopod/castopod): an all
in one castopod image using nginx unit
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- [**`castopod/app`**](https://hub.docker.com/r/castopod/app): the app bundle
with all of Castopod dependencies
- [**`castopod/web-server`**](https://hub.docker.com/r/castopod/web-server): an
Nginx configuration for Castopod
Additionally, Castopod requires a MySQL-compatible database. A Redis database
can be added as a cache handler.
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## Supported tags
- `develop` [unstable], latest development branch build
- `beta` [stable], latest beta version build
- `latest` [stable], latest version build
- `1.x.x` [stable], specific version build (since `1.0.0`)
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## Example usage
1. Install [docker](https://docs.docker.com/get-docker/) and
[docker-compose](https://docs.docker.com/compose/install/)
2. Create a `docker-compose.yml` file with the following:
```yml
version: "3.7"
services:
app:
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image: castopod/castopod:latest
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container_name: "castopod-app"
volumes:
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- castopod-media:/var/www/castopod/public/media
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environment:
MYSQL_DATABASE: castopod
MYSQL_USER: castopod
MYSQL_PASSWORD: changeme
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CP_BASEURL: "https://castopod.example.com"
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CP_ANALYTICS_SALT: changeme
CP_CACHE_HANDLER: redis
CP_REDIS_HOST: redis
networks:
- castopod-app
- castopod-db
ports:
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- 8000:8000
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restart: unless-stopped
mariadb:
image: mariadb:10.5
container_name: "castopod-mariadb"
networks:
- castopod-db
volumes:
- castopod-db:/var/lib/mysql
environment:
MYSQL_ROOT_PASSWORD: changeme
MYSQL_DATABASE: castopod
MYSQL_USER: castopod
MYSQL_PASSWORD: changeme
restart: unless-stopped
redis:
image: redis:7.0-alpine
container_name: "castopod-redis"
volumes:
- castopod-cache:/data
networks:
- castopod-app
volumes:
castopod-media:
castopod-db:
castopod-cache:
networks:
castopod-app:
castopod-db:
```
You have to adapt some variables to your needs (e.g. `CP_BASEURL`,
`MYSQL_ROOT_PASSWORD`, `MYSQL_PASSWORD` and `CP_ANALYTICS_SALT`).
3. Setup a reverse proxy for TLS (SSL/HTTPS)
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TLS is mandatory for ActivityPub to work. This job can easily be handled by
a reverse proxy, for example with [Caddy](https://caddyserver.com/):
```
#castopod
castopod.example.com {
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reverse_proxy localhost:8000
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4. Run `docker-compose up -d`, wait for it to initialize and head on to
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`https://castopod.example.com/cp-install` to finish setting up Castopod!
5. You're all set, start podcasting! 🎙️🚀
## Environment Variables
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- **castopod/castopod** and **castopod/app**
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| Variable name | Type (`default`) | Default |
| ------------------------------------- | ----------------------- | ---------------- |
| **`CP_BASEURL`** | string | `undefined` |
| **`CP_MEDIA_BASEURL`** | ?string | `CP_BASEURL` |
| **`CP_ADMIN_GATEWAY`** | ?string | `"cp-admin"` |
| **`CP_AUTH_GATEWAY`** | ?string | `"cp-auth"` |
| **`CP_ANALYTICS_SALT`** | string | `undefined` |
| **`CP_DATABASE_HOSTNAME`** | ?string | `"mariadb"` |
| **`CP_DATABASE_NAME`** | ?string | `MYSQL_DATABASE` |
| **`CP_DATABASE_USERNAME`** | ?string | `MYSQL_USER` |
| **`CP_DATABASE_PASSWORD`** | ?string | `MYSQL_PASSWORD` |
| **`CP_DATABASE_PREFIX`** | ?string | `"cp_"` |
| **`CP_CACHE_HANDLER`** | [`"file"` or `"redis"`] | `"file"` |
| **`CP_REDIS_HOST`** | ?string | `"localhost"` |
| **`CP_REDIS_PASSWORD`** | ?string | `null` |
| **`CP_REDIS_PORT`** | ?number | `6379` |
| **`CP_REDIS_DATABASE`** | ?number | `0` |
| **`CP_EMAIL_SMTP_HOST`** | ?string | `undefined` |
| **`CP_EMAIL_FROM`** | ?string | `undefined` |
| **`CP_EMAIL_SMTP_USERNAME`** | ?string | `"localhost"` |
| **`CP_EMAIL_SMTP_PASSWORD`** | ?string | `null` |
| **`CP_EMAIL_SMTP_PORT`** | ?number | `25` |
| **`CP_EMAIL_SMTP_CRYPTO`** | [`"tls"` or `"ssl"`] | `"tls"` |
| **`CP_ENABLE_2FA`** | ?boolean | `undefined` |
| **`CP_MEDIA_FILE_MANAGER`** | ?string | `undefined` |
| **`CP_MEDIA_S3_ENDPOINT`** | ?string | `undefined` |
| **`CP_MEDIA_S3_KEY`** | ?string | `undefined` |
| **`CP_MEDIA_S3_SECRET`** | ?string | `undefined` |
| **`CP_MEDIA_S3_REGION`** | ?string | `undefined` |
| **`CP_MEDIA_S3_BUCKET`** | ?string | `undefined` |
| **`CP_MEDIA_S3_PROTOCOL`** | ?number | `undefined` |
| **`CP_MEDIA_S3_PATH_STYLE_ENDPOINT`** | ?boolean | `undefined` |
| **`CP_MEDIA_S3_KEY_PREFIX`** | ?string | `undefined` |
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| **`CP_DISABLE_HTTPS`** | ?[`0` or `1`] | `undefined` |
| **`CP_MAX_BODY_SIZE`** | ?number (with suffix) | `512M` |
| **`CP_PHP_MEMORY_LIMIT`** | ?number (with suffix) | `512M` |
| **`CP_TIMEOUT`** | ?number | `900` |
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- **castopod/web-server**
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| Variable name | Type | Default |
| ---------------------- | --------------------- | ------- |
| **`CP_APP_HOSTNAME`** | ?string | `"app"` |
| **`CP_MAX_BODY_SIZE`** | ?number (with suffix) | `512M` |
| **`CP_TIMEOUT`** | ?number | `900` |