From 045a7b841aecdd04131a4a04438720b6e7df284a Mon Sep 17 00:00:00 2001
From: Masaki Yatsu <yatsu@yatsu.info>
Date: Thu, 18 Sep 2025 10:28:46 +0900
Subject: [PATCH] feat(postgres): customize storage size

---
 postgres/.gitignore                                           | 1 +
 postgres/justfile                                             | 2 ++
 ...ster-values.yaml => postgres-cluster-values.gomplate.yaml} | 4 ++++
 3 files changed, 7 insertions(+)
 rename postgres/{postgres-cluster-values.yaml => postgres-cluster-values.gomplate.yaml} (69%)

diff --git a/postgres/.gitignore b/postgres/.gitignore
index cec533e..00c1166 100644
--- a/postgres/.gitignore
+++ b/postgres/.gitignore
@@ -1,2 +1,3 @@
+postgres-cluster-values.yaml
 create-database.yaml
 delete-database.yaml
diff --git a/postgres/justfile b/postgres/justfile
index 139b1b9..53fe921 100644
--- a/postgres/justfile
+++ b/postgres/justfile
@@ -3,6 +3,7 @@ set fallback := true
 export CNPG_NAMESPACE := env("CNPG_NAMESPACE", "postgres")
 export CNPG_CHART_VERSION := env("CNPG_CHART_VERSION", "0.26.0")
 export CNPG_CLUSTER_CHART_VERSION := env("CNPG_CLUSTER_CHART_VERSION", "0.3.1")
+export POSTGRES_STORAGE_SIZE := env("POSTGRES_STORAGE_SIZE", "20Gi")
 export K8S_VAULT_NAMESPACE := env("K8S_VAULT_NAMESPACE", "vault")
 export EXTERNAL_SECRETS_NAMESPACE := env("EXTERNAL_SECRETS_NAMESPACE", "external-secrets")
 
@@ -69,6 +70,7 @@ create-cluster:
         fi
     fi
 
+    gomplate -f postgres-cluster-values.gomplate.yaml -o postgres-cluster-values.yaml
     helm upgrade --install postgres-cluster cnpg/cluster \
         --version ${CNPG_CLUSTER_CHART_VERSION} \
         -n ${CNPG_NAMESPACE} --wait -f postgres-cluster-values.yaml
diff --git a/postgres/postgres-cluster-values.yaml b/postgres/postgres-cluster-values.gomplate.yaml
similarity index 69%
rename from postgres/postgres-cluster-values.yaml
rename to postgres/postgres-cluster-values.gomplate.yaml
index 45660e7..1d0eb40 100644
--- a/postgres/postgres-cluster-values.yaml
+++ b/postgres/postgres-cluster-values.gomplate.yaml
@@ -1,6 +1,10 @@
 cluster:
   instances: 1
 
+  # Storage configuration
+  storage:
+    size: {{ .Env.POSTGRES_STORAGE_SIZE }}
+
   initdb:
     postInitTemplateSQL:
       - CREATE EXTENSION IF NOT EXISTS vector;