diff --git a/.env.example b/.env.example
index edd62b2..ff6bf09 100644
--- a/.env.example
+++ b/.env.example
@@ -1,11 +1,10 @@
-DB_DRIVER=postgres
-POSTGRES_DB=surprise
-POSTGRES_USER=surprise
-POSTGRES_PASSWORD=surprise_dev_password
-POSTGRES_PORT=5432
-
-DATABASE_URL=postgres://surprise:surprise_dev_password@localhost:5432/surprise?sslmode=disable
+# ── SQLite (default for local dev) ──
+DB_DRIVER=sqlite
 SQLITE_PATH=./data/surprise.db
+
+# ── Postgres (uncomment and set DB_DRIVER=postgres to use) ──
+# DATABASE_URL=postgres://surprise:surprise_dev_password@localhost:5432/surprise?sslmode=disable
+
 PORT=8080
 CORS_ORIGIN=http://localhost:5173,http://127.0.0.1:5173
 SESSION_SECRET=local-development-session-secret-change-me
@@ -20,4 +19,4 @@ STORAGE_USE_SSL=false
 MINIO_API_PORT=9000
 MINIO_CONSOLE_PORT=9001
 
-VITE_API_BASE_URL=http://localhost:8080
+VITE_API_BASE_URL=http://localhost:8080
\ No newline at end of file
diff --git a/backend/.idea/.gitignore b/backend/.idea/.gitignore
new file mode 100644
index 0000000..30cf57e
--- /dev/null
+++ b/backend/.idea/.gitignore
@@ -0,0 +1,10 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Ignored default folder with query files
+/queries/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/backend/.idea/backend.iml b/backend/.idea/backend.iml
new file mode 100644
index 0000000..5e764c4
--- /dev/null
+++ b/backend/.idea/backend.iml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="Go" enabled="true" />
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/backend/.idea/go.imports.xml b/backend/.idea/go.imports.xml
new file mode 100644
index 0000000..644cdf0
--- /dev/null
+++ b/backend/.idea/go.imports.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GoImports">
+    <option name="excludedPackages">
+      <array>
+        <option value="golang.org/x/net/context" />
+      </array>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/backend/.idea/modules.xml b/backend/.idea/modules.xml
new file mode 100644
index 0000000..e066844
--- /dev/null
+++ b/backend/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/backend.iml" filepath="$PROJECT_DIR$/.idea/backend.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/backend/.idea/vcs.xml b/backend/.idea/vcs.xml
new file mode 100644
index 0000000..6c0b863
--- /dev/null
+++ b/backend/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/backend/internal/config/config.go b/backend/internal/config/config.go
index beeec0a..7b899a8 100644
--- a/backend/internal/config/config.go
+++ b/backend/internal/config/config.go
@@ -33,10 +33,10 @@ func Load() Config {
 	}
 
 	return Config{
-		DBDriver:              envOrDefault("DB_DRIVER", "postgres"),
+		DBDriver:              envOrDefault("DB_DRIVER", "sqlite"),
 		Port:                  envOrDefault("PORT", "8080"),
-		DatabaseURL:           envOrDefault("DATABASE_URL", "postgres://surprise:surprise_dev_password@localhost:5432/surprise?sslmode=disable"),
-		SQLitePath:            envOrDefault("SQLITE_PATH", "./data/surprise.db"),
+		DatabaseURL:           envOrDefault("DATABASE_URL", ""),
+		SQLitePath:            envOrDefault("SQLITE_PATH", ""),
 		CORSOrigin:            envOrDefault("CORS_ORIGIN", "http://localhost:5173,http://127.0.0.1:5173"),
 		SessionSecret:         envOrDefault("SESSION_SECRET", "local-development-session-secret-change-me"),
 		CookieSecure:          parseBoolEnv("COOKIE_SECURE", false),
diff --git a/docker-compose.yml b/docker-compose.yml
index 3f64973..ec891ff 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,11 +3,11 @@ services:
     image: postgres:16-alpine
     restart: unless-stopped
     environment:
-      POSTGRES_DB: ${POSTGRES_DB:-surprise}
-      POSTGRES_USER: ${POSTGRES_USER:-surprise}
-      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-surprise_dev_password}
+      POSTGRES_DB: surprise
+      POSTGRES_USER: surprise
+      POSTGRES_PASSWORD: surprise_dev_password
     ports:
-      - "${POSTGRES_PORT:-5432}:5432"
+      - "5432:5432"
     volumes:
       - postgres_data:/var/lib/postgresql/data
       - ./migrations:/migrations:ro