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A lexicon-driven AppView for ATProto. happyview.dev
backfill firehose jetstream atproto appview oauth lexicon
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300# Production stack — Postgres.## The sibling of `docker-compose.prod.sqlite.yml`. Pick one: SQLite for small# to medium instances, Postgres when you need multiple HappyView replicas# sharing a database, a larger-than-memory working set, or external tools with# direct read access to the records table.## Its own project name, so `down` here never tears down the SQLite prod stack,# the dev stack (`happyview`), or the test stacks (`happyview-test`,# `happyview-e2e`). Every compose file in this directory would otherwise# default to the same project name and share containers, networks and volumes.name: happyview-prod-postgres
# Required variables (keep them in their own file — see the warning below):## PUBLIC_URL https://happyview.example.com — must match exactly the# URL users hit, scheme included, or OAuth login breaks.# Do NOT include BASE_PATH here.# SESSION_SECRET openssl rand -base64 48 (>= 64 chars recommended)# TOKEN_ENCRYPTION_KEY openssl rand -base64 32 (exactly 32 bytes, base64)# POSTGRES_PASSWORD openssl rand -hex 32## Compose fails fast with a message naming the generator command if any is# missing.## Compose auto-loads a `.env` sitting beside this file, so a development `.env`# left in a deployment clone will quietly supply these — including the# `POSTGRES_USER`/`POSTGRES_PASSWORD`/`POSTGRES_DB` triplet that `.env.example`# ships commented out. Keep production values in their own file and pass it# explicitly:## docker compose --env-file .env.prod -f docker-compose.prod.postgres.yml up -d## HappyView does not terminate TLS. Put a reverse proxy (Caddy, nginx,# Cloudflare Tunnel, a platform load balancer) in front of it and point# PUBLIC_URL at the public HTTPS URL. If you don't already have one, a# commented-out Caddy service at the bottom of this file will do it, with# certificates obtained and renewed automatically.
services: postgres: image: postgres:${POSTGRES_VERSION:-17} restart: unless-stopped
environment: POSTGRES_USER: ${POSTGRES_USER:-happyview} POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?generate one with `openssl rand -hex 32`} POSTGRES_DB: ${POSTGRES_DB:-happyview} # Without this, the image trusts any connection from inside the compose # network regardless of password. POSTGRES_HOST_AUTH_METHOD: scram-sha-256 POSTGRES_INITDB_ARGS: --auth-host=scram-sha-256
# Raised from the stock 100. HappyView opens two pools: the main one # (DATABASE_MAX_CONNECTIONS, default 32 on Postgres) and a separate backfill # pool sized `(BACKFILL_CONCURRENT_PDS * BACKFILL_CONCURRENT_DIDS_PER_PDS) # + BACKFILL_CONCURRENT_RESOLUTION + 4` — 134 on the defaults, capped at # 256. Both are lazy, so an idle instance holds almost nothing, but a # running backfill peaks near 166 and the stock limit would fail it with # "sorry, too many clients already". Raise this further if you raise the # backfill concurrency, add replicas, or lower DATABASE_MAX_CONNECTIONS. command: - -c - max_connections=${POSTGRES_MAX_CONNECTIONS:-200}
volumes: - pgdata:/var/lib/postgresql/data
# Not published. The only client is HappyView, over the compose network. # Uncomment to reach it with psql from the host — bound to loopback, since # `ports` bypasses the host firewall on most Docker installs. # ports: # - "127.0.0.1:5432:5432"
healthcheck: # `$$` escapes compose interpolation, so the container's own environment # supplies these rather than the host's. test: ["CMD-SHELL", 'pg_isready -U "$$POSTGRES_USER" -d "$$POSTGRES_DB"'] interval: 10s timeout: 5s retries: 5 start_period: 30s
# Docker's default SIGTERM is a Postgres *smart* shutdown: it waits for # every client to disconnect, so it hangs for the full grace period and # then takes a SIGKILL, leaving the next boot to run crash recovery. SIGINT # is the fast shutdown — roll back open transactions, checkpoint, exit. stop_signal: SIGINT stop_grace_period: 60s
logging: driver: json-file options: max-size: "10m" max-file: "5"
happyview: image: ghcr.io/gamesgamesgamesgamesgames/happyview:${HAPPYVIEW_VERSION:-latest} restart: unless-stopped
depends_on: postgres: condition: service_healthy
# Published on loopback by default — the reverse proxy in front is what # should be exposed. Set HTTP_BIND=0.0.0.0:3000 to publish on all # interfaces, or drop `ports` entirely and attach the proxy to this # compose network. ports: - "${HTTP_BIND:-127.0.0.1:3000}:3000"
environment: # --- Database ----------------------------------------------------- # Assembled from the same values the postgres service uses, so the two # cannot drift. The backend is auto-detected from the URL scheme. # # A password containing `@`, `/`, `:` or `#` must be percent-encoded here # — those are URL delimiters and would truncate the connection string. # `openssl rand -hex 32` avoids the problem entirely. DATABASE_URL: postgres://${POSTGRES_USER:-happyview}:${POSTGRES_PASSWORD:?generate one with `openssl rand -hex 32`}@postgres:5432/${POSTGRES_DB:-happyview} # Main pool ceiling. Must be counted against POSTGRES_MAX_CONNECTIONS # above, together with the backfill pool and any replicas. DATABASE_MAX_CONNECTIONS: ${DATABASE_MAX_CONNECTIONS:-32}
# --- Identity / networking ---------------------------------------- PUBLIC_URL: ${PUBLIC_URL:?set PUBLIC_URL to the public HTTPS URL, e.g. https://happyview.example.com} HOST: 0.0.0.0 PORT: "3000" # Subpath prefix when sharing a domain with another service, e.g. /hv. # PUBLIC_URL must NOT include it. Applied at container start, so no # rebuild is needed. /health stays at the domain root regardless. BASE_PATH: ${BASE_PATH:-}
# --- Secrets ------------------------------------------------------ # Signs the dashboard session cookie. An unset or too-short value does # not stop boot — it silently disables cookie login — so it is required # here instead. SESSION_SECRET: ${SESSION_SECRET:?generate one with `openssl rand -base64 48`} # AES-256-GCM key for OAuth tokens, DPoP private keys and plugin secrets # at rest. Without it, DPoP sessions, spaces and service identity are # disabled. Rotating it makes everything already encrypted unreadable. TOKEN_ENCRYPTION_KEY: ${TOKEN_ENCRYPTION_KEY:?generate one with `openssl rand -base64 32` (must decode to exactly 32 bytes)} # Attestation signing uses a key generated and persisted to the database # on first run. To supply your own, uncomment this — but note it must be # a valid hex-encoded 32-byte secp256k1 key. An empty value is treated as # "set", and fails signer construction instead of falling back to the # generated key, which is why it is not declared with an empty default. # ATTESTATION_PRIVATE_KEY: ${ATTESTATION_PRIVATE_KEY:-}
# --- Upstream services -------------------------------------------- JETSTREAM_URL: ${JETSTREAM_URL:-wss://jetstream1.us-east.bsky.network} RELAY_URL: ${RELAY_URL:-https://bsky.network} PLC_URL: ${PLC_URL:-https://plc.directory}
# --- Branding ----------------------------------------------------- # Seed values for the OAuth authorization screen, each overridden by the # matching dashboard setting once one is saved. Left undeclared on # purpose: the code distinguishes unset from empty, and an empty value # here would put a blank app name and empty URIs on the consent screen # rather than falling back to the defaults. Uncomment to use them. # APP_NAME: ${APP_NAME:-} # LOGO_URI: ${LOGO_URI:-} # TOS_URI: ${TOS_URI:-} # POLICY_URI: ${POLICY_URI:-}
# --- Operational --------------------------------------------------- # The dev default (`happyview=debug`) is very noisy in production. RUST_LOG: ${RUST_LOG:-happyview=info,tower_http=info,sqlx=warn} EVENT_LOG_RETENTION_DAYS: ${EVENT_LOG_RETENTION_DAYS:-30} DEFAULT_RATE_LIMIT_CAPACITY: ${DEFAULT_RATE_LIMIT_CAPACITY:-100} DEFAULT_RATE_LIMIT_REFILL_RATE: ${DEFAULT_RATE_LIMIT_REFILL_RATE:-2.0} # Backfill concurrency. Each of these feeds the backfill pool size — see # the POSTGRES_MAX_CONNECTIONS note above before raising them. # BACKFILL_CONCURRENT_PDS: ${BACKFILL_CONCURRENT_PDS:-10} # BACKFILL_CONCURRENT_DIDS_PER_PDS: ${BACKFILL_CONCURRENT_DIDS_PER_PDS:-3} # BACKFILL_CONCURRENT_RESOLUTION: ${BACKFILL_CONCURRENT_RESOLUTION:-100} # Plugins to preload, comma-separated: `id|url|sha256:<digest>`. # PLUGIN_URLS: ${PLUGIN_URLS:-}
# The runtime image carries no curl or wget, so this probes /health over # bash's /dev/tcp. `sh` is dash here and does not support it — hence CMD # rather than CMD-SHELL. # # 60s covers migrations on first boot. Unlike the SQLite stack there is no # startup VACUUM to wait out — scheduling one is rejected with 400 on # Postgres — so this does not need the SQLite file's longer window. healthcheck: test: - CMD - bash - -c - 'exec 3<>/dev/tcp/127.0.0.1/3000 && printf "GET /health HTTP/1.0\r\nHost: localhost\r\n\r\n" >&3 && head -n 1 <&3 | grep -q 200' interval: 30s timeout: 5s retries: 3 start_period: 60s
# `entrypoint.sh` execs the server, making it PID 1 — where the kernel # drops signals that have only their default disposition, and the server # installs no SIGTERM handler. Without an init, every `stop`, `restart` and # `down` therefore hangs for the full grace period and ends in SIGKILL # (exit 137). `init: true` puts tini at PID 1 to forward the signal, so the # server exits promptly. Note this is prompt, not graceful: there is no # graceful-shutdown handler, so in-flight requests are dropped either way, # and an interrupted job is re-queued on the next boot. init: true stop_grace_period: 30s
# Container stdout is the only log sink; without a cap json-file logs grow # unbounded. Ship these to an aggregator if you need retention. logging: driver: json-file options: max-size: "10m" max-file: "5"
# -------------------------------------------------------------------------- # Optional: Caddy as the TLS-terminating reverse proxy. # # HappyView does not terminate TLS. Uncommenting this puts Caddy in front of # it with an automatically obtained and renewed Let's Encrypt certificate. # Skip it if you already have a proxy, a platform load balancer, or a # Cloudflare Tunnel doing the same job. # # Create a `Caddyfile` beside this file containing: # # {$CADDY_DOMAIN} { # reverse_proxy happyview:3000 # } # # and set CADDY_DOMAIN in your env file to the hostname from PUBLIC_URL with # the scheme stripped — `happyview.example.com` for # `https://happyview.example.com`. PUBLIC_URL itself stays the full URL. # # When you enable this, also: # # - Delete the `ports` block from the `happyview` service. Caddy reaches it # over the compose network, so publishing it to the host as well only # widens the exposure. Leave HTTP_BIND unset. # - Point DNS at this host *before* the first `up`. Caddy asks Let's # Encrypt for a certificate on startup, and a challenge against a # hostname that does not resolve here fails and retries with backoff. # # For a subpath deployment (BASE_PATH), the Caddyfile needs an extra rewrite # so `/xrpc/*` still resolves at the domain root — see "Reverse proxy # subpath" in the deployment docs. # # caddy: # image: caddy:2-alpine # restart: unless-stopped # # # Deliberately `service_started`, not `service_healthy`. Caddy should come # # up and start the ACME exchange immediately rather than waiting out # # HappyView's start period, which on a first boot is minutes of migrations # # with nothing listening on 80 or 443. A request arriving before the # # backend is ready just gets a 502. # depends_on: # happyview: # condition: service_started # # # Port 80 must stay open. It serves the HTTP->HTTPS redirect *and* the # # ACME HTTP-01 challenge — which is also how renewal works, so closing it # # once the first certificate issues makes renewal fail silently about 60 # # days later. 443/udp carries HTTP/3. # # # # DNS-01 (needed for wildcards, or when 80 cannot be exposed) is not # # possible with this image: the stock build ships no DNS provider # # modules, and adding one means building a custom image with xcaddy. # ports: # - "80:80" # - "443:443" # - "443:443/udp" # # environment: # CADDY_DOMAIN: ${CADDY_DOMAIN:?set CADDY_DOMAIN to the hostname in PUBLIC_URL, without the scheme} # # volumes: # - ./Caddyfile:/etc/caddy/Caddyfile:ro # # Issued certificates and the ACME account key. This MUST persist. # # Without it every recreate re-issues from scratch, and Let's Encrypt # # allows only 5 duplicate certificates per week before it starts # # refusing — which locks the site out of HTTPS for days. Back it up # # with the same care as the data volume, or accept a re-issue on # # restore. # - caddy-data:/data # - caddy-config:/config # # logging: # driver: json-file # options: # max-size: "10m" # max-file: "5"
volumes: # The database. This is the only stateful path — back this volume up. pgdata: # Uncomment together with the caddy service above. # caddy-data: # caddy-config: