diff --git a/.gitignore b/.gitignore
index b12833f..609b66b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -142,7 +142,8 @@ celerybeat.pid
 *.sage.py
 
 # Environments
-.env
+!.env
+!.env.example
 .venv
 env/
 venv/
diff --git a/docker/app/.env b/docker/app/.env
new file mode 100644
index 0000000..beac11e
--- /dev/null
+++ b/docker/app/.env
@@ -0,0 +1,46 @@
+APP_ENV=prod
+APP_NAME=YG Fine-Tune Platform API
+MODELTF_ROUTE_PREFIX=/modelTF
+CORS_ALLOW_ORIGINS=http://localhost:16801,http://127.0.0.1:16801
+
+FRONTEND_IMAGE=yg-ft-frontend-runtime:latest
+BACKEND_API_IMAGE=yg-ft-backend-api:latest
+
+# Five-digit host ports exposed outside the application server.
+FRONTEND_PORT=16801
+BACKEND_API_PORT=17861
+POSTGRES_PORT=15432
+REDIS_PORT=16379
+
+POSTGRES_DB=yg_ft
+POSTGRES_USER=root
+POSTGRES_PASSWORD=8811614287327Leo
+DATABASE_URL=postgresql+psycopg://root:8811614287327Leo@www.caoxiaozhu.com:5432/yg_ft
+
+REDIS_URL=redis://redis:6379/0
+
+# PostgreSQL uses the shared external database. The local postgres service is disabled in docker-compose.yml.
+# Redis still uses the built-in service during current development.
+USE_BUILTIN_POSTGRES=false
+USE_BUILTIN_REDIS=true
+
+LOG_LEVEL=INFO
+LOG_DIR=/opt/yg-ft/logs/backend
+LOG_FILE_PREFIX=backend
+LOG_ERROR_FILE_PREFIX=error
+LOG_MAX_BYTES=20971520
+LOG_RETENTION_DAYS=10
+
+BACKEND_PROXY_PASS=http://backend-api:8000
+
+# Split deployment: set these to the compute server address, for example http://10.10.20.31:19100.
+COMPUTE_API_BASE_URL=http://compute-api:9100
+COMPUTE_SERVICE_TOKEN=change_me
+FILE_GATEWAY_BASE_URL=http://compute-api:9101
+
+# The application side polls Compute API for job state to avoid opening reverse network access.
+COMPUTE_MODE=real
+COMPUTE_STATUS_SYNC_MODE=polling
+COMPUTE_POLL_INTERVAL_SECONDS=10
+COMPUTE_POLL_BATCH_SIZE=100
+COMPUTE_REQUEST_TIMEOUT_SECONDS=5
diff --git a/docker/compute/.env b/docker/compute/.env
new file mode 100644
index 0000000..b85b457
--- /dev/null
+++ b/docker/compute/.env
@@ -0,0 +1,40 @@
+COMPUTE_ENV=prod
+COMPUTE_HOST_ID=gpu-node-01
+COMPUTE_EXECUTION_MODE=real
+MODELTF_ROUTE_PREFIX=/modelTF
+# Five-digit host ports exposed outside the compute server.
+COMPUTE_API_PORT=19100
+FILE_GATEWAY_PORT=19101
+COMPUTE_API_IMAGE=yg-ft-compute-api:latest
+
+# The application server actively polls Compute API; compute server does not need reverse access.
+COMPUTE_AUTH_ENABLED=true
+COMPUTE_SERVICE_TOKEN=change_me
+ENABLE_APP_CALLBACK=false
+
+# LLaMA-Factory is provided by the official hiyouga/llamafactory base image.
+LLAMA_FACTORY_HOME=/app/LLaMA-Factory
+
+YG_FT_DATA_ROOT=/data/yg-ft
+YG_FT_DATA_ROOT_HOST=./data/yg-ft
+YG_FT_MODEL_ROOT=/data/yg-ft/models
+YG_FT_MODEL_ROOT_HOST=./data/yg-ft/models
+YG_FT_DATASET_ROOT=/data/yg-ft/datasets
+YG_FT_DATASET_ROOT_HOST=./data/yg-ft/datasets
+YG_FT_OUTPUT_ROOT=/data/yg-ft/outputs
+YG_FT_OUTPUT_ROOT_HOST=./data/yg-ft/outputs
+TRAINING_LOG_ROOT=/opt/yg-ft/logs/training
+TRAINING_LOG_ROOT_HOST=./data/yg-ft/logs/training
+COMPUTE_LOG_ROOT_HOST=./data/yg-ft/logs/compute
+
+# Optional fallback used when nvidia-smi is unavailable.
+# Leave COMPUTE_GPU_COUNT=0 on real GPU servers with working NVIDIA runtime.
+COMPUTE_GPU_COUNT=0
+COMPUTE_GPU_NAME=NVIDIA A800-SXM4-80GB
+COMPUTE_GPU_MEMORY_GB=80
+COMPUTE_GPU_POWER_LIMIT_W=300
+
+LOG_DIR=/opt/yg-ft/logs/compute
+CUDA_VISIBLE_DEVICES=all
+NVIDIA_VISIBLE_DEVICES=all
+NVIDIA_DRIVER_CAPABILITIES=compute,utility