Added Docker workflow

docker-compose.yml

@@ -0,0 +1,56 @@
+services:
+  cubeadmin:
+    image: cubeadmin:latest
+    # To build locally instead of pulling, uncomment:
+    # build: .
+    container_name: cubeadmin
+    restart: unless-stopped
+    ports:
+      - "${PORT:-3000}:3000"
+    environment:
+      NODE_ENV: production
+      PORT: 3000
+
+      # ── Auth ────────────────────────────────────────────────────
+      BETTER_AUTH_URL: ${BETTER_AUTH_URL}
+      BETTER_AUTH_SECRET: ${BETTER_AUTH_SECRET}
+
+      # ── Email / SMTP ────────────────────────────────────────────
+      SMTP_HOST: ${SMTP_HOST:-}
+      SMTP_PORT: ${SMTP_PORT:-587}
+      SMTP_SECURE: ${SMTP_SECURE:-false}
+      SMTP_USER: ${SMTP_USER:-}
+      SMTP_PASS: ${SMTP_PASS:-}
+      EMAIL_FROM: ${EMAIL_FROM:-CubeAdmin <noreply@example.com>}
+
+      # ── Minecraft / RCON ────────────────────────────────────────
+      MC_SERVER_PATH: /mc-server
+      MC_RCON_HOST: ${MC_RCON_HOST:-127.0.0.1}
+      MC_RCON_PORT: ${MC_RCON_PORT:-25575}
+      MC_RCON_PASSWORD: ${MC_RCON_PASSWORD}
+
+      # ── Database ────────────────────────────────────────────────
+      DATABASE_PATH: /app/data/cubeadmin.db
+
+      # ── Security ────────────────────────────────────────────────
+      TRUSTED_ORIGINS: ${TRUSTED_ORIGINS}
+      RATE_LIMIT_RPM: ${RATE_LIMIT_RPM:-100}
+
+      # ── First admin (only used on first startup) ─────────────────
+      INITIAL_ADMIN_EMAIL: ${INITIAL_ADMIN_EMAIL:-admin@example.com}
+      INITIAL_ADMIN_NAME: ${INITIAL_ADMIN_NAME:-Administrator}
+      INITIAL_ADMIN_PASSWORD: ${INITIAL_ADMIN_PASSWORD:-ChangeMe123!}
+
+      # ── Optional ────────────────────────────────────────────────
+      BLUEMAP_URL: ${BLUEMAP_URL:-}
+
+    volumes:
+      # SQLite database + uploaded files
+      - cubeadmin-data:/app/data
+      # Minecraft server files (set MC_DATA_PATH in .env to override host path)
+      - ${MC_DATA_PATH:-./mc-data}:/mc-server
+      # Backups
+      - ${BACKUPS_PATH:-./backups}:/backups
+
+volumes:
+  cubeadmin-data: