diff --git a/apps/holder-backend/src/app/db/db.module.ts b/apps/holder-backend/src/app/db/db.module.ts
index 51b01d2d..5aae80d8 100644
--- a/apps/holder-backend/src/app/db/db.module.ts
+++ b/apps/holder-backend/src/app/db/db.module.ts
@@ -5,7 +5,7 @@ import * as Joi from 'joi';
 import { DatabaseType } from 'typeorm';
 
 export const DB_VALIDATION_SCHEMA = {
-  DB_TYPE: Joi.string().default('postgres'),
+  DB_TYPE: Joi.string().valid('sqlite', 'postgres').default('postgres'),
   DB_HOST: Joi.string().when('DB_TYPE', {
     is: 'postgres',
     then: Joi.required(),
diff --git a/apps/issuer-backend/package.json b/apps/issuer-backend/package.json
index 26f029f8..ac26aef3 100644
--- a/apps/issuer-backend/package.json
+++ b/apps/issuer-backend/package.json
@@ -1,6 +1,7 @@
 {
   "dependencies": {
     "sqlite3": "^5.1.7",
+    "pg": "^8.11.5",
     "@sphereon/pex": "^3.3.3",
     "@sphereon/oid4vci-issuer": "^0.12.0",
     "@sphereon/ssi-express-support": "0.26.0"
diff --git a/apps/verifier-backend/package.json b/apps/verifier-backend/package.json
index 40e8b840..dd824e0f 100644
--- a/apps/verifier-backend/package.json
+++ b/apps/verifier-backend/package.json
@@ -1,6 +1,8 @@
 {
   "dependencies": {
-    "@sphereon/pex": "^3.3.3"
+    "@sphereon/pex": "^3.3.3",
+    "sqlite3": "^5.1.7",
+    "pg": "^8.11.5"
   },
   "pnpm": {
     "patchedDependencies": {
diff --git a/deploys/issuer/.env.example b/deploys/issuer/.env.example
index cc9c9ede..5a408a3b 100644
--- a/deploys/issuer/.env.example
+++ b/deploys/issuer/.env.example
@@ -7,6 +7,9 @@ ISSUER_BASE_URL=http://localhost:3001
 CREDENTIALS_FOLDER=templates
 KM_FOLDER=data
 
+DB_TYPE=sqlite
+DB_NAME=data/db.sqlite
+
 # Frontend
 FRONTEND_OIDC_CLIENT_ID=relying-party
 FRONTEND_OIDC_CLIENT_SECRET=hA0mbfpKl8wdMrUxr2EjKtL5SGsKFW5D
diff --git a/deploys/issuer/docker-compose.yml b/deploys/issuer/docker-compose.yml
index fccb7e69..7bec15e4 100644
--- a/deploys/issuer/docker-compose.yml
+++ b/deploys/issuer/docker-compose.yml
@@ -5,12 +5,13 @@ services:
       - OIDC_AUTH_URL=$OIDC_AUTH_URL
       - OIDC_REALM=$OIDC_REALM
       - OIDC_CLIENT_ID=$OIDC_CLIENT_ID
+      - OIDC_CLIENT_SECRET=$OIDC_CLIENT_SECRET
       - VERIFIER_BASE_URL=$VERIFIER_BASE_URL
       - KM_FOLDER=$KM_FOLDER
       - ISSUER_BASE_URL=$ISSUER_BASE_URL
       - CREDENTIALS_FOLDER=$CREDENTIALS_FOLDER
-      - DB_TYPE=sqlite
-      - DB_NAME=data/db.sqlite
+      - DB_TYPE=$DB_TYPE
+      - DB_NAME=$DB_NAME
     volumes:
       - issuer:/home/node/app/data:rw
       - ./config/issuer-backend:/home/node/app/templates
diff --git a/deploys/verifier/.env.example b/deploys/verifier/.env.example
index eb04e3be..4b48524a 100644
--- a/deploys/verifier/.env.example
+++ b/deploys/verifier/.env.example
@@ -6,6 +6,9 @@ VERIFIER_BASE_URL=http://localhost:3002
 CREDENTIALS_FOLDER=templates
 KM_FOLDER=data
 
+DB_TYPE=sqlite
+DB_NAME=data/db.sqlite
+
 # Frontend
 FRONTEND_OIDC_CLIENT_ID=relying-party
 FRONTEND_OIDC_CLIENT_SECRET=hA0mbfpKl8wdMrUxr2EjKtL5SGsKFW5D
diff --git a/deploys/verifier/docker-compose.yml b/deploys/verifier/docker-compose.yml
index cd83295a..a1c948c3 100644
--- a/deploys/verifier/docker-compose.yml
+++ b/deploys/verifier/docker-compose.yml
@@ -10,9 +10,12 @@ services:
       - OIDC_AUTH_URL=$OIDC_AUTH_URL
       - OIDC_REALM=$OIDC_REALM
       - OIDC_CLIENT_ID=$OIDC_CLIENT_ID
+      - OIDC_CLIENT_SECRET=$OIDC_CLIENT_SECRET
       - VERIFIER_BASE_URL=$VERIFIER_BASE_URL
       - CREDENTIALS_FOLDER=$CREDENTIALS_FOLDER
       - KM_FOLDER=$KM_FOLDER
+      - DB_TYPE=$DB_TYPE
+      - DB_NAME=$DB_NAME
     healthcheck:
       test: ['CMD', 'curl', '-f', 'http://localhost:3000/health']
       interval: 30s
diff --git a/libs/relying-party-shared/src/lib/db/db.module.ts b/libs/relying-party-shared/src/lib/db/db.module.ts
index 51b01d2d..1d178fb5 100644
--- a/libs/relying-party-shared/src/lib/db/db.module.ts
+++ b/libs/relying-party-shared/src/lib/db/db.module.ts
@@ -1,11 +1,11 @@
 import { Module } from '@nestjs/common';
 import { ConfigModule, ConfigService } from '@nestjs/config';
-import { TypeOrmModule } from '@nestjs/typeorm';
+import { TypeOrmModule, TypeOrmModuleOptions } from '@nestjs/typeorm';
 import * as Joi from 'joi';
 import { DatabaseType } from 'typeorm';
 
 export const DB_VALIDATION_SCHEMA = {
-  DB_TYPE: Joi.string().default('postgres'),
+  DB_TYPE: Joi.string().valid('sqlite', 'postgres').default('sqlite'),
   DB_HOST: Joi.string().when('DB_TYPE', {
     is: 'postgres',
     then: Joi.required(),
@@ -42,7 +42,7 @@ export const DB_VALIDATION_SCHEMA = {
               database: configService.get('DB_NAME'),
               synchronize: true,
               autoLoadEntities: true,
-            };
+            } as TypeOrmModuleOptions;
           case 'postgres':
             return {
               type: 'postgres',
@@ -53,7 +53,9 @@ export const DB_VALIDATION_SCHEMA = {
               database: configService.get('DB_NAME'),
               synchronize: true,
               autoLoadEntities: true,
-            };
+            } as TypeOrmModuleOptions;
+          default:
+            throw new Error('Invalid DB_TYPE');
         }
       },
     }),