diff --git a/docker-compose/docker-compose.override-example.yaml b/docker-compose/docker-compose.override-example.yaml
new file mode 100644
index 000000000..4aef37ad2
--- /dev/null
+++ b/docker-compose/docker-compose.override-example.yaml
@@ -0,0 +1,17 @@
+services:
+
+  caddy:
+    scale: 0
+
+  sourcegraph-frontend-0:
+    ports:
+      - '0.0.0.0:7080:3080'
+
+  grafana:
+    environment:
+      - 'PGHOST=${PGHOST}'
+      - 'PGPORT=${PGPORT}'
+      - 'PGDATABASE=${PGDATABASE}'
+      - 'PGGRAFANAUSER=${PGGRAFANAUSER}'
+      - 'PGGRAFANAPASSWORD=${PGGRAFANAPASSWORD}'
+      - 'PGSSLMODE=${PGSSLMODE}'
diff --git a/grafana/datasources/datasources-pgsql.yaml b/grafana/datasources/datasources-pgsql.yaml
new file mode 100644
index 000000000..358ecf1f2
--- /dev/null
+++ b/grafana/datasources/datasources-pgsql.yaml
@@ -0,0 +1,12 @@
+apiVersion: 1
+
+datasources:
+  - name: pgsql
+    type: postgres
+    url: $PGHOST:$PGPORT
+    user: $PGGRAFANAUSER
+    database: $PGDATABASE
+    secureJsonData:
+      password: $PGGRAFANAPASSWORD
+    jsonData:
+      sslmode: $PGSSLMODE