diff --git a/db/migrations/1734536868219-Data.js b/db/migrations/1734706828708-Data.js
similarity index 97%
rename from db/migrations/1734536868219-Data.js
rename to db/migrations/1734706828708-Data.js
index 243bb80..526221d 100644
--- a/db/migrations/1734536868219-Data.js
+++ b/db/migrations/1734706828708-Data.js
@@ -1,5 +1,5 @@
-module.exports = class Data1734536868219 {
-    name = 'Data1734536868219'
+module.exports = class Data1734706828708 {
+    name = 'Data1734706828708'
 
     async up(db) {
         await db.query(`CREATE TABLE "account" ("id" character varying NOT NULL, "address_status" text, CONSTRAINT "PK_54115ee388cdb6d86bb4bf5b2ea" PRIMARY KEY ("id"))`)
@@ -12,7 +12,7 @@ module.exports = class Data1734536868219 {
         await db.query(`CREATE INDEX "IDX_863162a8edb416799e89f386f8" ON "route" ("to_domain_id") `)
         await db.query(`CREATE INDEX "IDX_4536bd7b96f363dedfe95dd26f" ON "route" ("resource_id") `)
         await db.query(`CREATE UNIQUE INDEX "IDX_7dc7af2a7a9c846759377d1450" ON "route" ("from_domain_id", "to_domain_id", "resource_id") `)
-        await db.query(`CREATE TABLE "domain" ("id" character varying NOT NULL, "type" text NOT NULL, "name" text NOT NULL, "icon_url" text, "explorer_url" text, CONSTRAINT "PK_27e3ec3ea0ae02c8c5bceab3ba9" PRIMARY KEY ("id"))`)
+        await db.query(`CREATE TABLE "domain" ("id" character varying NOT NULL, "type" text NOT NULL, "name" text NOT NULL, "icon_url" text NOT NULL, "explorer_url" text NOT NULL, CONSTRAINT "PK_27e3ec3ea0ae02c8c5bceab3ba9" PRIMARY KEY ("id"))`)
         await db.query(`CREATE TABLE "token" ("id" uuid NOT NULL DEFAULT uuid_generate_v4(), "decimals" integer NOT NULL, "token_address" text NOT NULL, "token_symbol" text NOT NULL, "resource_id" character varying, "domain_id" character varying, CONSTRAINT "PK_82fae97f905930df5d62a702fc9" PRIMARY KEY ("id"))`)
         await db.query(`CREATE INDEX "IDX_435ef0917a04e91698042dff2b" ON "token" ("resource_id") `)
         await db.query(`CREATE INDEX "IDX_3d565341b16e9c03d63e05eac8" ON "token" ("domain_id") `)
@@ -78,4 +78,4 @@ module.exports = class Data1734536868219 {
         await db.query(`ALTER TABLE "transfer" DROP CONSTRAINT "FK_f6b9e9b86a1ce51c26cd08f596a"`)
         await db.query(`ALTER TABLE "transfer" DROP CONSTRAINT "FK_da16210e30a21445643e6acbcd7"`)
     }
-}
\ No newline at end of file
+}
diff --git a/envs/.env.indexer.example b/envs/.env.indexer.example
index afa8ab9..3eae8a5 100644
--- a/envs/.env.indexer.example
+++ b/envs/.env.indexer.example
@@ -4,8 +4,8 @@ DB_PORT=5432
 DB_USERNAME=postgres
 DB_HOST=db
 SHARED_CONFIG_URL="https://ipfs.io/ipfs/bafkreiasnla2ya55of6nwm3swjstip4q2ixfa3t6tvixyibclfovxnerte"
-1_METADATA='{"id": 1, "rpcUrl": "http://evm1:8545"}'
-2_METADATA='{"id": 2, "rpcUrl": "http://evm2:8545"}'
-3_METADATA='{"id": 3, "rpcUrl": "ws://substrate-pallet:9944"}'
+1_METADATA='{"id": 1, "rpcUrl": "http://evm1:8545", "iconUrl": "https://example.com/icon1.png", "explorerUrl": "https://explorer.com/1"}'
+2_METADATA='{"id": 2, "rpcUrl": "http://evm2:8545", "iconUrl": "https://example.com/icon2.png", "explorerUrl": "https://explorer.com/2"}'
+3_METADATA='{"id": 3, "rpcUrl": "ws://substrate-pallet:9944", "iconUrl": "https://example.com/icon3.png", "explorerUrl": "https://explorer.com/3"}'
 
 ENV_DOMAINS='[1,2,3]'
\ No newline at end of file
diff --git a/schema.graphql b/schema.graphql
index 418f7c4..bf55092 100644
--- a/schema.graphql
+++ b/schema.graphql
@@ -67,8 +67,8 @@ type Domain @entity {
   id: ID!
   type: String!
   name: String!
-  iconURL: String
-  explorerURL: String
+  iconURL: String!
+  explorerURL: String!
   routesFrom: [Route!] @derivedFrom(field: "fromDomain")
   routesTo: [Route!] @derivedFrom(field: "toDomain")
   token: [Token!] @derivedFrom(field: "domain")
diff --git a/src/indexer/config/envLoader.ts b/src/indexer/config/envLoader.ts
index 705806e..65ae8b6 100644
--- a/src/indexer/config/envLoader.ts
+++ b/src/indexer/config/envLoader.ts
@@ -15,8 +15,8 @@ export type DomainMetadata = {
   domainId: number;
   rpcUrl: string;
   domainGateway?: string;
-  iconUrl?: string;
-  explorerUrl?: string;
+  iconUrl: string;
+  explorerUrl: string;
 };
 
 export type EnvVariables = {
diff --git a/src/model/generated/domain.model.ts b/src/model/generated/domain.model.ts
index 2cd798a..c5281c8 100644
--- a/src/model/generated/domain.model.ts
+++ b/src/model/generated/domain.model.ts
@@ -21,11 +21,11 @@ export class Domain {
     @StringColumn_({nullable: false})
     name!: string
 
-    @StringColumn_({nullable: true})
-    iconURL!: string | undefined | null
+    @StringColumn_({nullable: false})
+    iconURL!: string
 
-    @StringColumn_({nullable: true})
-    explorerURL!: string | undefined | null
+    @StringColumn_({nullable: false})
+    explorerURL!: string
 
     @OneToMany_(() => Route, e => e.fromDomain)
     routesFrom!: Route[]