initial commit

docker-compose.yml

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+# ──────────────────────────────────────────────────────────────────
+# Minecraft 1.21.1 NeoForge + Drasl auth (with Keycloak OIDC)
+# ──────────────────────────────────────────────────────────────────
+# Assumes:
+#   - Keycloak is already running and reachable at https://keycloak.home.local
+#   - AdGuard Home resolves drasl.home.local -> this host's LAN IP
+#   - This host's LAN IP is on the same segment as the LAN party
+# ──────────────────────────────────────────────────────────────────
+
+services:
+  drasl:
+    image: unmojang/drasl:latest
+    container_name: drasl
+    restart: unless-stopped
+    ports:
+      - "25585:25585"          # Drasl web UI + Yggdrasil API
+    volumes:
+      - ./drasl/config:/etc/drasl:ro
+      - drasl_state:/var/lib/drasl
+    networks:
+      - mcnet
+    # No env vars needed — all config is in ./drasl/config/config.toml
+
+  minecraft:
+    image: itzg/minecraft-server:java21
+    container_name: minecraft
+    restart: unless-stopped
+    stdin_open: true
+    tty: true
+    ports:
+      - "25565:25565"
+      - "24454:24454/udp"      # Simple Voice Chat, if used
+    environment:
+      EULA: "TRUE"
+      TYPE: "NEOFORGE"
+      VERSION: "1.21.1"
+      NEOFORGE_VERSION: "21.1.209"   # pin a known-good build; update deliberately
+
+      # ── Memory / performance ────────────────────────────────────
+      INIT_MEMORY: "4G"
+      MAX_MEMORY: "10G"               # 8 players + 100 mods comfortably
+      USE_AIKAR_FLAGS: "TRUE"
+      JVM_XX_OPTS: "-XX:+UseG1GC"
+
+      # ── Auth: offline mode + authlib-injector pointing at Drasl ─
+      ONLINE_MODE: "FALSE"
+      # mount authlib-injector.jar at /extras/authlib-injector.jar
+      JVM_OPTS: "-javaagent:/extras/authlib-injector.jar=http://drasl.home.local:25585/authlib-injector"
+
+      # ── Server config ───────────────────────────────────────────
+      DIFFICULTY: "normal"
+      MODE: "survival"
+      MOTD: "LAN party — kitchen sink"
+      MAX_PLAYERS: "10"
+      VIEW_DISTANCE: "10"
+      SIMULATION_DISTANCE: "8"
+      ENFORCE_SECURE_PROFILE: "FALSE"  # required for authlib-injector on 1.21+
+      ALLOW_FLIGHT: "TRUE"             # many tech mods need this
+
+      # ── Mod sources (Modrinth recommended over CF) ──────────────
+      MODRINTH_PROJECTS: "@/extras/modrinth-mods.txt"
+      MODRINTH_DOWNLOAD_DEPENDENCIES: "required"
+      # Optional, only if you need CF-exclusive mods:
+      # CF_API_KEY: ${CF_API_KEY}
+      # CURSEFORGE_FILES: "@/extras/cf-mods.txt"
+
+      # ── RCON for remote admin ───────────────────────────────────
+      ENABLE_RCON: "TRUE"
+      RCON_PASSWORD: ${RCON_PASSWORD}
+      RCON_PORT: 25575
+
+      TZ: "Europe/Madrid"
+    volumes:
+      - mc_data:/data
+      - ./extras:/extras:ro        # authlib-injector.jar + mod lists live here
+    depends_on:
+      - drasl
+    networks:
+      - mcnet
+
+  # Optional: backups
+  mc-backup:
+    image: itzg/mc-backup
+    container_name: mc-backup
+    restart: unless-stopped
+    environment:
+      BACKUP_INTERVAL: "6h"
+      RCON_HOST: "minecraft"
+      RCON_PASSWORD: ${RCON_PASSWORD}
+      PRUNE_BACKUPS_DAYS: "14"
+      TZ: "Europe/Madrid"
+    volumes:
+      - mc_data:/data:ro
+      - ./backups:/backups
+    depends_on:
+      - minecraft
+    networks:
+      - mcnet
+
+volumes:
+  drasl_state:
+  mc_data:
+
+networks:
+  mcnet:
+    driver: bridge