an atproto based link aggregator
docs: update architecture for consolidated single-machine setup
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CLAUDE.md
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CLAUDE.md
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## Architecture
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- **Web app**: SvelteKit with adapter-node, deployed to Fly.io
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- **Ingester**: Separate process on Fly.io (LiteFS primary)
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- **Database**: Split SQLite architecture with LiteFS:
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- **Content DB** (`content.db`): Posts, comments, accounts - written by ingester, replicated to webapp via LiteFS
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- **Ingester**: Runs alongside webapp via supervisord on same machine
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- **Database**: SQLite with two databases on shared volume:
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- **Content DB** (`content.db`): Posts, comments, accounts - written by ingester
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- **Local DB** (`local.db`): Auth state, sessions, votes - webapp only
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### Data Flow
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1. User submits post/comment → Webapp writes to ATProto (PDS)
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2. Jetstream ingester picks up event → Writes to content DB (LiteFS primary)
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3. LiteFS replicates to webapp machines → Content visible to users
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4. Votes stored locally in webapp's local DB (not replicated)
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1. User submits post/comment -> Webapp writes to ATProto (PDS)
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2. Jetstream ingester picks up event -> Writes to content DB
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3. Content visible to users immediately (same machine)
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4. Votes stored in local DB
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## Local Development
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### Deployment
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- `fly.toml` - Webapp Fly.io config
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- `fly.ingester.toml` - Ingester Fly.io config
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- `litefs.yml` - LiteFS config for webapp (replica)
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- `litefs.ingester.yml` - LiteFS config for ingester (primary)
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- `fly.toml` - Fly.io config
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- `supervisord.conf` - Multi-process configuration
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- `.tangled/workflows/ci.yaml` - CI pipeline (lint, type check, tests)
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### Documentation
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## Deployment
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```bash
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# Deploy webapp (LiteFS replica)
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# Deploy (single app runs both webapp and ingester)
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fly deploy
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# Deploy ingester (LiteFS primary) - separate app
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fly deploy -c fly.ingester.toml
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# First time setup:
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# 1. Create persistent volume for local DB
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fly volumes create papili_data --size 1
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# 2. Enable LiteFS (Consul lease)
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fly consul attach
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# 1. Create persistent volume for databases
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fly volumes create papili_data --size 1 --region sjc
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```
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## Environment Variables
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command: pnpm install --frozen-lockfile
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- name: Build
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command: pnpm build
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- name: Deploy webapp
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- name: Deploy
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command: fly deploy --remote-only
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- name: Deploy ingester
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command: fly deploy -c fly.ingester.toml --remote-only
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```
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Required secrets: