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homelabstack/stacks/roms/docker-compose.yml
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ginnoir 3a9a81ee35 feat(roms): add RomM stack (romm + mariadb) over /storage1/Emulation
New per-domain stack centralizing the emulation/ROM library:

- romm (rommapp/romm:4) + dedicated MariaDB; RomM bundles its own Redis

- library mounts existing EmuDeck tree /storage1/Emulation (RomM Structure A) read-write; tiered binds (config->/config, blobs->/storage1/labdata)

- env_file-only config (no ${VAR}) so the git stack needs no Portainer UI env vars

- Hasheous metadata enabled; IGDB/SteamGridDB/ScreenScraper scaffolded empty

- Caddy: roms.ginnoir.com internal_only -> romm:8080; regenerated bookmarks
2026-06-04 23:58:24 -05:00

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YAML

# roms stack — RomM ROM library manager + its dedicated MariaDB.
#
# RomM bundles its own Redis (persisted via /redis-data), so there is no cache
# container here. The library is the existing EmuDeck tree at /storage1/Emulation,
# which is already RomM "Structure A" (a roms/ parent with per-platform subfolders).
# It is mounted READ-WRITE per request, so RomM file operations (rename/move/
# delete, manual matches) can mutate the tree — default scanning stays read-only.
#
# All secrets/config come from env_file (stack.env) using container-exact var
# names (DB_PASSWD, MARIADB_PASSWORD, ...), so this git stack needs NO Portainer
# UI env vars for ${VAR} substitution. See memory portainer-env-interpolation.
#
# Tiered binds: DB + RomM config + bundled-redis -> /config/romm (SSD);
# RomM blobs (downloaded art + user saves/states) -> /storage1/labdata/romm (ZFS).
# The labdata/romm/* targets are auto-created by Docker as root on first start.
#
# Only romm joins `edge` (Caddy proxies romm:8080); romm-db stays on `roms` only.
services:
romm:
image: rommapp/romm:4
container_name: romm
restart: unless-stopped
networks: [roms, edge]
depends_on:
romm-db:
condition: service_healthy
env_file:
- stack.env
environment:
- DB_HOST=romm-db
- DB_NAME=romm
volumes:
- /storage1/Emulation:/romm/library
- /storage1/labdata/romm/resources:/romm/resources
- /storage1/labdata/romm/assets:/romm/assets
- /config/romm/config:/romm/config
- /config/romm/redis:/redis-data
ports:
- "8997:8080"
romm-db:
image: mariadb:latest
container_name: romm-db
restart: unless-stopped
networks: [roms]
env_file:
- stack.env
command: ["--max-allowed-packet=64M"]
healthcheck:
test: ["CMD", "healthcheck.sh", "--connect", "--innodb_initialized"]
interval: 10s
timeout: 5s
retries: 5
volumes:
- /config/romm/mariadb:/var/lib/mysql
networks:
roms:
name: roms
driver: bridge
edge:
name: edge
external: true