diff --git a/.env.example b/.env.example
index 6f53284..1feabf8 100644
--- a/.env.example
+++ b/.env.example
@@ -1,4 +1,4 @@
-DATABASE_URL=
+DATABASE_URL="file:./dev.db"
 
 AUTH_SECRET= # Added by `npx auth`. Read more: https://cli.authjs.dev
 
diff --git a/.gitignore b/.gitignore
index 7b8da95..aa118f3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -40,3 +40,6 @@ yarn-error.log*
 # typescript
 *.tsbuildinfo
 next-env.d.ts
+
+# database
+/prisma/dev.db
\ No newline at end of file
diff --git a/package.json b/package.json
index 0154f9c..9987e98 100644
--- a/package.json
+++ b/package.json
@@ -7,14 +7,21 @@
     "build": "prettier --check . && next build",
     "start": "next start",
     "lint": "next lint",
-    "format": "prettier --write ."
+    "format": "prettier --write .",
+    "prisma:migrate": "dotenv -e .env.local -- prisma migrate dev",
+    "prisma:generate": "dotenv -e .env.local -- prisma generate",
+    "prisma:studio": "dotenv -e .env.local -- prisma studio",
+    "prisma:db:push": "dotenv -e .env.local -- prisma db push",
+    "prisma:migrate:reset": "dotenv -e .env.local -- prisma migrate reset"
   },
   "dependencies": {
+    "@auth/prisma-adapter": "^2.9.1",
     "@fortawesome/fontawesome-svg-core": "^6.7.2",
     "@fortawesome/free-brands-svg-icons": "^6.7.2",
     "@fortawesome/free-regular-svg-icons": "^6.7.2",
     "@fortawesome/free-solid-svg-icons": "^6.7.2",
     "@fortawesome/react-fontawesome": "^0.2.2",
+    "@prisma/client": "^6.7.0",
     "@radix-ui/react-dropdown-menu": "^2.1.14",
     "@radix-ui/react-hover-card": "^1.1.13",
     "@radix-ui/react-label": "^2.1.6",
@@ -40,12 +47,13 @@
     "@types/node": "22.15.18",
     "@types/react": "19.1.4",
     "@types/react-dom": "19.1.5",
+    "dotenv-cli": "^8.0.0",
     "eslint": "9.26.0",
     "eslint-config-next": "15.3.2",
     "eslint-config-prettier": "10.1.5",
     "postcss": "8.5.3",
     "prettier": "3.5.3",
-    "prisma": "6.7.0",
+    "prisma": "^6.7.0",
     "tailwindcss": "4.1.6",
     "tw-animate-css": "1.2.9",
     "typescript": "5.8.3"
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index d91b48c..2197012 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -5,13 +5,13 @@
 // Try Prisma Accelerate: https://pris.ly/cli/accelerate-init
 
 generator client {
-  provider = "prisma-client-js"
-  output   = "../generated/prisma"
+    provider = "prisma-client-js"
+    output   = "../generated/prisma"
 }
 
 datasource db {
-  provider = "postgresql"
-  url      = env("DATABASE_URL")
+    provider = "sqlite"
+    url      = env("DATABASE_URL")
 }
 
 enum participant_status {
@@ -102,12 +102,12 @@ model Account {
     type              String
     provider          String
     providerAccountId String  @map("provider_account_id")
-    refresh_token     String? @db.Text
-    access_token      String? @db.Text
+    refresh_token     String?
+    access_token      String?
     expires_at        Int?
     token_type        String?
     scope             String?
-    id_token          String? @db.Text
+    id_token          String?
     session_state     String?
 
     user User @relation(fields: [userId], references: [id], onDelete: Cascade)
diff --git a/src/auth.ts b/src/auth.ts
index 09a5065..6a04a1f 100644
--- a/src/auth.ts
+++ b/src/auth.ts
@@ -5,6 +5,9 @@ import Credentials from 'next-auth/providers/credentials';
 
 import Authentik from 'next-auth/providers/authentik';
 
+import { PrismaAdapter } from '@auth/prisma-adapter';
+import { prisma } from '@/prisma';
+
 const providers: Provider[] = [
   !process.env.DISABLE_PASSWORD_LOGIN &&
     Credentials({
@@ -33,7 +36,8 @@ export const providerMap = providers
   .filter((provider) => provider.id !== 'credentials');
 
 export const { handlers, signIn, signOut, auth } = NextAuth({
-  providers,
+  providers: [],
+  adapter: PrismaAdapter(prisma),
   session: {
     strategy: 'jwt',
   },
diff --git a/src/prisma.ts b/src/prisma.ts
new file mode 100644
index 0000000..b5cc446
--- /dev/null
+++ b/src/prisma.ts
@@ -0,0 +1,7 @@
+import { PrismaClient } from "@prisma/client"
+
+const globalForPrisma = globalThis as unknown as { prisma: PrismaClient }
+
+export const prisma = globalForPrisma.prisma || new PrismaClient()
+
+if (process.env.NODE_ENV !== "production") globalForPrisma.prisma = prisma
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index 8e8ea36..3cc1e50 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -46,6 +46,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@auth/prisma-adapter@npm:^2.9.1":
+  version: 2.9.1
+  resolution: "@auth/prisma-adapter@npm:2.9.1"
+  dependencies:
+    "@auth/core": "npm:0.39.1"
+  peerDependencies:
+    "@prisma/client": ">=2.26.0 || >=3 || >=4 || >=5 || >=6"
+  checksum: 10c0/615ee7c02f690e35ccac8206607a4345ca6455c322a741ddd4dbd52e7a068ace9e5c46c4d8a50fe471ca2c2fb6a5b4bb9924cbd2e911613f671fe929c33278d4
+  languageName: node
+  linkType: hard
+
 "@emnapi/core@npm:^1.4.0, @emnapi/core@npm:^1.4.3":
   version: 1.4.3
   resolution: "@emnapi/core@npm:1.4.3"
@@ -884,6 +895,21 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@prisma/client@npm:^6.7.0":
+  version: 6.7.0
+  resolution: "@prisma/client@npm:6.7.0"
+  peerDependencies:
+    prisma: "*"
+    typescript: ">=5.1.0"
+  peerDependenciesMeta:
+    prisma:
+      optional: true
+    typescript:
+      optional: true
+  checksum: 10c0/863a8085800c8ada3247bc8b3f8a7056e341045f7f6fd73c7cd133b91298c8603f783869e5a7357d62394fa2ddac8c09ee27d7325bbb803a870edca5b914d33f
+  languageName: node
+  linkType: hard
+
 "@prisma/config@npm:6.7.0":
   version: 6.7.0
   resolution: "@prisma/config@npm:6.7.0"
@@ -2749,6 +2775,34 @@ __metadata:
   languageName: node
   linkType: hard
 
+"dotenv-cli@npm:^8.0.0":
+  version: 8.0.0
+  resolution: "dotenv-cli@npm:8.0.0"
+  dependencies:
+    cross-spawn: "npm:^7.0.6"
+    dotenv: "npm:^16.3.0"
+    dotenv-expand: "npm:^10.0.0"
+    minimist: "npm:^1.2.6"
+  bin:
+    dotenv: cli.js
+  checksum: 10c0/000469632758b7b44aaaa80cbbbd7f0c94dc170ec02e51aa8d8280341a0108fb7407954c23054257b77235b064033efdb8745836633eb6fd1586924953cf0528
+  languageName: node
+  linkType: hard
+
+"dotenv-expand@npm:^10.0.0":
+  version: 10.0.0
+  resolution: "dotenv-expand@npm:10.0.0"
+  checksum: 10c0/298f5018e29cfdcb0b5f463ba8e8627749103fbcf6cf81c561119115754ed582deee37b49dfc7253028aaba875ab7aea5fa90e5dac88e511d009ab0e6677924e
+  languageName: node
+  linkType: hard
+
+"dotenv@npm:^16.3.0":
+  version: 16.5.0
+  resolution: "dotenv@npm:16.5.0"
+  checksum: 10c0/5bc94c919fbd955bf0ba44d33922a1e93d1078e64a1db5c30faeded1d996e7a83c55332cb8ea4fae5a9ca4d0be44cbceb95c5811e70f9f095298df09d1997dd9
+  languageName: node
+  linkType: hard
+
 "dunder-proto@npm:^1.0.0, dunder-proto@npm:^1.0.1":
   version: 1.0.1
   resolution: "dunder-proto@npm:1.0.1"
@@ -4580,12 +4634,14 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "meetup@workspace:."
   dependencies:
+    "@auth/prisma-adapter": "npm:^2.9.1"
     "@eslint/eslintrc": "npm:3.3.1"
     "@fortawesome/fontawesome-svg-core": "npm:^6.7.2"
     "@fortawesome/free-brands-svg-icons": "npm:^6.7.2"
     "@fortawesome/free-regular-svg-icons": "npm:^6.7.2"
     "@fortawesome/free-solid-svg-icons": "npm:^6.7.2"
     "@fortawesome/react-fontawesome": "npm:^0.2.2"
+    "@prisma/client": "npm:^6.7.0"
     "@radix-ui/react-dropdown-menu": "npm:^2.1.14"
     "@radix-ui/react-hover-card": "npm:^1.1.13"
     "@radix-ui/react-label": "npm:^2.1.6"
@@ -4601,6 +4657,7 @@ __metadata:
     "@types/react-dom": "npm:19.1.5"
     class-variance-authority: "npm:^0.7.1"
     clsx: "npm:^2.1.1"
+    dotenv-cli: "npm:^8.0.0"
     eslint: "npm:9.26.0"
     eslint-config-next: "npm:15.3.2"
     eslint-config-prettier: "npm:10.1.5"
@@ -4610,7 +4667,7 @@ __metadata:
     next-themes: "npm:^0.4.6"
     postcss: "npm:8.5.3"
     prettier: "npm:3.5.3"
-    prisma: "npm:6.7.0"
+    prisma: "npm:^6.7.0"
     react: "npm:^19.0.0"
     react-dom: "npm:^19.0.0"
     tailwind-merge: "npm:^3.2.0"
@@ -5240,7 +5297,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"prisma@npm:6.7.0":
+"prisma@npm:^6.7.0":
   version: 6.7.0
   resolution: "prisma@npm:6.7.0"
   dependencies: