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README.md
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README.md
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# Dockerized AT Protocol Relay
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Heavily ~~copy and pasted~~ influenced by [phil's relay configurations](https://gist.github.com/futurGH/2ee18d385eff3ba98f5b35b9dcac0aed#file-docker-compose-yaml-L1) and [futur.blue's whitewind blog post](https://whtwnd.com/futur.blue/3lkubavdilf2m)
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## Setup
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clone this repo and change directory into it
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```bash
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git clone git@tangled.sh:dane.is.extraordinarily.cool/relay-docker
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cd relay-docker
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```
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clone the indigo repo
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```bash
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git clone git@github.com:bluesky-social/indigo.git
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```
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rename the `.env.example` file to just `.env`
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```bash
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mv .env.example .env
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```
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add values for these env variables, see [configuration and operation](https://github.com/bluesky-social/indigo/blob/main/cmd/relay/README.md#configuration-and-operation) section in the indigo repo to understand what the values mean
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```bash
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RELAY_LENIENT_SYNC_VALIDATION=true
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RELAY_REPLAY_WINDOW=48h
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RELAY_PERSIST_DIR=/data/relay/persist
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RELAY_ADMIN_PASSWORD=
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RELAY_TRUSTED_DOMAINS=
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RELAY_HOST_CONCURRENCY=4
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# database env
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DATABASE_URL=
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POSTGRES_USER=
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POSTGRES_PASSWORD=
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POSTGRES_DB=
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```
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update the caddy file to point to your domain (make sure you have set up the necessary dns records)
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```bash
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// conf/Caddyfile
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yourdomain.com {
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tls {
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on_demand
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}
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handle /xrpc/com.atproto.sync.subscribeRepos {
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reverse_proxy 127.0.0.1:2470 {
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header_up Origin "yourdomain.com"
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}
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}
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reverse_proxy localhost:2470
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}
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```
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if you wanted to just test things out you can use something like ngrok
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```bash
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ngrok http 2470
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```
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then just take whatever domain is generated for you and add it to the caddyfile
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start the relay
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```bash
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docker compose up -d
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```
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verify that it is running
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```bash
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curl localhost:2470
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```
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## PDS Crawling
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see [bootstrapping host list](https://github.com/bluesky-social/indigo/blob/main/cmd/relay/README.md#bootstrapping-host-list) and the [how to do it](https://whtwnd.com/futur.blue/3lkubavdilf2m) section in futur's blog post to see how to bootstrap your relay with pdses
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for convenience, I've included a `pull-hosts.sh` that pulls a list of pdses based on [mary's pds scraper script](https://raw.githubusercontent.com/mary-ext/atproto-scraping/refs/heads/trunk/state.json)
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you can write whatever script you want to do the requestCrawl to the pdes but the easiest way is probably [installing and using `goat`](https://github.com/bluesky-social/indigo/tree/main/cmd/goat#install)
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make the script executable and run it and redirect the output to a text file
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```bash
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chmod u+x pull-hosts.sh
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./pull-hosts > hosts.txt
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```
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we can then use `goat` to add hosts to the relay
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```bash
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shuf hosts.txt | RELAY_HOST=http://localhost:2470 parallel goat relay admin host add {}
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```
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see [bluesky deploy recipes repo](https://github.com/nulfrost/deploy-recipes/blob/relay-recipe/atproto-relay-docker/README.md) for guide on how to deploy this setup