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Better explain where the config file are located and how to deal with the yml file. Co-authored-by: kegsay <kegan@matrix.org>
93 lines
3.4 KiB
Markdown
93 lines
3.4 KiB
Markdown
# Docker images
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These are Docker images for Dendrite!
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They can be found on Docker Hub:
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- [matrixdotorg/dendrite-monolith](https://hub.docker.com/r/matrixdotorg/dendrite-monolith) for monolith deployments
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- [matrixdotorg/dendrite-polylith](https://hub.docker.com/r/matrixdotorg/dendrite-polylith) for polylith deployments
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## Dockerfiles
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The `Dockerfile` builds the base image which contains all of the Dendrite
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components. The `Dockerfile.component` file takes the given component, as
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specified with `--buildarg component=` from the base image and produce
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smaller component-specific images, which are substantially smaller and do
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not contain the Go toolchain etc.
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## Compose files
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There are three sample `docker-compose` files:
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- `docker-compose.deps.yml` which runs the Postgres and Kafka prerequisites
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- `docker-compose.monolith.yml` which runs a monolith Dendrite deployment
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- `docker-compose.polylith.yml` which runs a polylith Dendrite deployment
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## Configuration
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The `docker-compose` files refer to the `/etc/dendrite` volume as where the
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runtime config should come from. The mounted folder must contain:
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- `dendrite.yaml` configuration file (based on the [`dendrite-config.yaml`](https://raw.githubusercontent.com/matrix-org/dendrite/master/dendrite-config.yaml)
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sample in the `build/docker/config` folder of this repository.)
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- `matrix_key.pem` server key, as generated using `cmd/generate-keys`
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- `server.crt` certificate file
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- `server.key` private key file for the above certificate
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To generate keys:
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```
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docker run --rm --entrypoint="" \
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-v $(pwd):/mnt \
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matrixdotorg/dendrite-monolith:latest \
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/usr/bin/generate-keys \
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-private-key /mnt/matrix_key.pem \
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-tls-cert /mnt/server.crt \
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-tls-key /mnt/server.key
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```
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The key files will now exist in your current working directory, and can be mounted into place.
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## Starting Dendrite as a monolith deployment
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Create your config based on the [`dendrite-config.yaml`](https://raw.githubusercontent.com/matrix-org/dendrite/master/dendrite-config.yaml) configuration file in the `build/docker/config` folder of this repository. And rename the config file to `dendrite.yml` (and put it in your `config` directory).
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Once in place, start the PostgreSQL dependency:
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```
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docker-compose -f docker-compose.deps.yml up postgres
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```
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Wait a few seconds for PostgreSQL to finish starting up, and then start a monolith:
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```
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docker-compose -f docker-compose.monolith.yml up
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```
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## Starting Dendrite as a polylith deployment
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Create your config based on the [`dendrite-config.yaml`](https://raw.githubusercontent.com/matrix-org/dendrite/master/dendrite-config.yaml) configuration file in the `build/docker/config` folder of this repository. And rename the config file to `dendrite.yml` (and put it in your `config` directory).
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Once in place, start all the dependencies:
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```
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docker-compose -f docker-compose.deps.yml up
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```
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Wait a few seconds for PostgreSQL and Kafka to finish starting up, and then start a polylith:
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```
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docker-compose -f docker-compose.polylith.yml up
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```
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## Building the images
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The `build/docker/images-build.sh` script will build the base image, followed by
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all of the component images.
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The `build/docker/images-push.sh` script will push them to Docker Hub (subject
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to permissions).
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If you wish to build and push your own images, rename `matrixdotorg/dendrite` to
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the name of another Docker Hub repository in `images-build.sh` and `images-push.sh`.
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