diff --git a/trino/README.md b/trino/README.md
index 69954b6..f7d2f1c 100644
--- a/trino/README.md
+++ b/trino/README.md
@@ -5,7 +5,7 @@ trino
 distributed over one or more heterogeneous data sources.
 
 ```bash
-$ mkdir data/{etc,data}
+$ mkdir data/{etc,log}
 $ chown -R 1000:1000 data
 $ docker-compose up -d
 $ docker-compose exec trino trino
diff --git a/trino/data/etc/catalog/gsheets.json.sample b/trino/data/etc/catalog/gsheets.json.sample
new file mode 100644
index 0000000..cb683b9
--- /dev/null
+++ b/trino/data/etc/catalog/gsheets.json.sample
@@ -0,0 +1,12 @@
+{
+  "type": "service_account",
+  "project_id": "",
+  "private_key_id": "",
+  "private_key": "",
+  "client_email": "",
+  "client_id": "",
+  "auth_uri": "https://accounts.google.com/o/oauth2/auth",
+  "token_uri": "https://oauth2.googleapis.com/token",
+  "auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
+  "client_x509_cert_url": ""
+}
diff --git a/trino/data/etc/catalog/gsheets.properties.sample b/trino/data/etc/catalog/gsheets.properties.sample
new file mode 100644
index 0000000..16b1281
--- /dev/null
+++ b/trino/data/etc/catalog/gsheets.properties.sample
@@ -0,0 +1,3 @@
+connector.name=gsheets
+credentials-path=/usr/lib/trino/etc/catalog/gsheets.json
+metadata-sheet-id=1EJ-AxiDpZ287XHO9nD0YS9pMgSFzjhUDEIEWGgl_dqE
diff --git a/trino/data/log/.gitkeep b/trino/data/log/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/trino/docker-compose.yml b/trino/docker-compose.yml
index fc2c2c5..bfa7b13 100644
--- a/trino/docker-compose.yml
+++ b/trino/docker-compose.yml
@@ -7,6 +7,6 @@ services:
       - "8080:8080"
     volumes:
       - ./data/etc:/usr/lib/trino/etc
-      - ./data/data:/usr/lib/trino/data
+      - ./data/log:/usr/lib/trino/data/var/log
     working_dir: /usr/lib/trino
     restart: unless-stopped