diff --git a/docker-compose.yml b/docker-compose.yml
index 4dc93b9..db99d37 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -350,6 +350,78 @@ services:
     restart: unless-stopped
     mem_limit: 512m
 
+  # ---------------------------------------------------------------------------
+  # PM platform (vendored from Aramesh/PM under ./pm) — serves the /panel/pm
+  # iframe at /pm/ on this domain. Shares the ERP database (its tables are
+  # created additively at startup) and reads ERP users/user_panels for SSO.
+  # ---------------------------------------------------------------------------
+  pm-api:
+    image: v15-pm-api:latest
+    build:
+      context: ./pm/backend
+      dockerfile: Dockerfile
+    container_name: pm-api
+
+    volumes:
+      - pm_files:/data/files
+      - ./pm/backend/app:/srv/pm/app
+
+    environment:
+      # Same database as the ERP — PM tables are additive, created at startup.
+      PM_DATABASE_URL: postgresql+asyncpg://postgres:${POSTGRES_PASSWORD:-postgres}@postgres:5432/procurement
+      PM_SESSION_SECRET: ${PM_SESSION_SECRET:-12278fc281bd0e22950e76364e1a18cea61fbc6a24604fdd79690a817ec36ac8}
+      PM_ADMIN_USER: ${PM_ADMIN_USER:-admin}
+      PM_ADMIN_PASSWORD: ${PM_ADMIN_PASSWORD:-pm123456}
+      PM_FILES_DIR: /data/files
+      PM_DEV_ROLE_SWITCH: ${PM_DEV_ROLE_SWITCH:-false}
+      # ERP integration — in-network service URLs.
+      PM_ERP_BASE_URL: http://api:8000
+      PM_ERP_CASDOOR_ENDPOINT: http://casdoor:8000
+      PM_ERP_CASDOOR_CLIENT_ID: ${PM_ERP_CASDOOR_CLIENT_ID:-inventory-app-client}
+      PM_ERP_CASDOOR_CLIENT_SECRET: ${PM_ERP_CASDOOR_CLIENT_SECRET:-inventory-app-secret-2026}
+      PM_ERP_SERVICE_USERNAME: ${PM_ERP_SERVICE_USERNAME:-pm-service}
+      PM_ERP_SERVICE_PASSWORD: ${PM_ERP_SERVICE_PASSWORD:-pm-service-2026}
+      PM_CASDOOR_ISSUER: ${CASDOOR_ISSUER:-http://localhost:8080}
+
+    depends_on:
+      postgres:
+        condition: service_healthy
+      api:
+        condition: service_started
+
+    networks:
+      - default
+
+    restart: unless-stopped
+    mem_limit: 512m
+
+  pm-frontend:
+    image: v15-pm-frontend:latest
+    build:
+      context: ./pm/frontend
+      dockerfile: Dockerfile
+    container_name: pm-frontend
+
+    depends_on:
+      - pm-api
+
+    # PM platform under /pm on the same domain and the same Traefik router.
+    labels:
+      - traefik.enable=true
+      - traefik.http.routers.pm.rule=PathPrefix(`/pm`)
+      - traefik.http.routers.pm.entrypoints=web
+      # Higher priority than the ERP frontend Host router — otherwise /pm/api
+      # would reach the ERP SPA (POST → 405).
+      - traefik.http.routers.pm.priority=100
+      - traefik.http.services.pm.loadbalancer.server.port=80
+
+    networks:
+      - traefik_network
+      - default
+
+    restart: unless-stopped
+    mem_limit: 128m
+
 networks:
   # شبکه‌ی عمومی: فقط ترافیک و سرویس‌های عمومی. postgres روی شبکه‌ی
   # پیش‌فرض می‌ماند و از بیرون قابل دسترسی نیست.
@@ -366,3 +438,4 @@ volumes:
   postgres_data:
   minio_data:
   traefik_certs:
+  pm_files:
diff --git a/pm/backend/Dockerfile b/pm/backend/Dockerfile
index 1bdf7f6..88d8a6f 100644
--- a/pm/backend/Dockerfile
+++ b/pm/backend/Dockerfile
@@ -6,7 +6,9 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1
 
 COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+# PIP_INDEX_URL overridable like the ERP api/bot images (mirror for restricted networks).
+ARG PIP_INDEX_URL=https://pypi.org/simple
+RUN pip install --no-cache-dir -i ${PIP_INDEX_URL} -r requirements.txt
 
 COPY app ./app
 COPY tools ./tools