diff --git a/budget.go b/budget.go
deleted file mode 100644
index a2d8808..0000000
--- a/budget.go
+++ /dev/null
@@ -1,25 +0,0 @@
-package budgeteer
-
-import (
-	"time"
-)
-
-// Budget represents a budget
-type Budget struct {
-	ID               string
-	Name             string
-	LastModification time.Time
-}
-
-// UserBudget represents the relation between users and budgets
-type UserBudget struct {
-	UserID   string `sql:",pk"`
-	BudgetID string `sql:",pk"`
-}
-
-// BudgetService provides Methods for CRUD of Budgets
-type BudgetService interface {
-	Budget(id string) (*Budget, error)
-	BudgetsForUser(id string) ([]*Budget, error)
-	NewBudget(name string, userID string) (*Budget, error)
-}
diff --git a/cmd/budgeteer/main.go b/cmd/budgeteer/main.go
index 60cbd91..1fc5780 100644
--- a/cmd/budgeteer/main.go
+++ b/cmd/budgeteer/main.go
@@ -6,7 +6,6 @@ import (
 	"git.javil.eu/jacob1123/budgeteer/http"
 	"git.javil.eu/jacob1123/budgeteer/jwt"
 	"git.javil.eu/jacob1123/budgeteer/postgres"
-	"git.javil.eu/jacob1123/budgeteer/ulid"
 )
 
 func main() {
@@ -22,12 +21,11 @@ func main() {
 		panic("Failed connecting to DB")
 	}
 
-	id, err := ulid.NewGenerator()
+	us, err := postgres.NewRepository(db)
 	if err != nil {
-		panic("Failed creating ID-Generator")
+		panic("Failed building Repository")
 	}
 
-	us := &postgres.Repository{DB: db, IDGenerator: id}
 	tv := &jwt.TokenVerifier{}
 
 	h := &http.Handler{
diff --git a/data.go b/data.go
deleted file mode 100644
index 19681c9..0000000
--- a/data.go
+++ /dev/null
@@ -1,5 +0,0 @@
-package budgeteer
-
-type Data interface {
-	GetBudgets() []*Budget
-}
diff --git a/http/data.go b/http/data.go
index b772739..9b0a09b 100644
--- a/http/data.go
+++ b/http/data.go
@@ -1,14 +1,17 @@
 package http
 
-import "git.javil.eu/jacob1123/budgeteer"
+import (
+	"git.javil.eu/jacob1123/budgeteer"
+	"git.javil.eu/jacob1123/budgeteer/postgres"
+)
 
 type TemplateData struct {
 	Token         budgeteer.Token
-	Budget        *budgeteer.Budget
-	budgetService budgeteer.ModelService
+	Budget        *postgres.Budget
+	budgetService *postgres.Repository
 }
 
-func (d TemplateData) GetBudgets() []*budgeteer.Budget {
+func (d TemplateData) GetBudgets() []postgres.Budget {
 	userID := d.Token.GetID()
 	budgets, err := d.budgetService.BudgetsForUser(userID)
 	if err != nil {
diff --git a/http/http.go b/http/http.go
index 4c8c770..6bfe35c 100644
--- a/http/http.go
+++ b/http/http.go
@@ -1,6 +1,7 @@
 package http
 
 import (
+	"context"
 	"io/fs"
 	"net/http"
 	"time"
@@ -8,6 +9,8 @@ import (
 	"html/template"
 
 	"git.javil.eu/jacob1123/budgeteer"
+	"git.javil.eu/jacob1123/budgeteer/bcrypt"
+	"git.javil.eu/jacob1123/budgeteer/postgres"
 	"git.javil.eu/jacob1123/budgeteer/web"
 
 	"github.com/gin-gonic/gin"
@@ -15,9 +18,9 @@ import (
 
 // Handler handles incoming requests
 type Handler struct {
-	Service             budgeteer.BudgetService
+	Service             *postgres.Repository
 	TokenVerifier       budgeteer.TokenVerifier
-	CredentialsVerifier budgeteer.CredentialVerifier
+	CredentialsVerifier *bcrypt.Verifier
 }
 
 const (
@@ -69,7 +72,7 @@ func (h *Handler) budget(c *gin.Context) {
 	}
 
 	budgetID := c.Param("budgetid")
-	budget, err := h.Service.Budget(budgetID)
+	budget, err := h.Service.DB.GetBudget(context.Background(), budgetID)
 	if err != nil {
 		c.AbortWithError(http.StatusUnauthorized, err)
 		return
@@ -77,7 +80,7 @@ func (h *Handler) budget(c *gin.Context) {
 
 	d := TemplateData{
 		Token:         token,
-		Budget:        budget,
+		Budget:        &budget,
 		budgetService: h.Service,
 	}
 
@@ -163,7 +166,7 @@ func (h *Handler) loginPost(c *gin.Context) {
 	username, _ := c.GetPostForm("username")
 	password, _ := c.GetPostForm("password")
 
-	user, err := h.Service.UserByUsername(username)
+	user, err := h.Service.DB.GetUserByUsername(context.Background(), username)
 	if err != nil {
 		c.AbortWithError(http.StatusUnauthorized, err)
 		return
@@ -174,7 +177,7 @@ func (h *Handler) loginPost(c *gin.Context) {
 		return
 	}
 
-	t, err := h.TokenVerifier.CreateToken(user)
+	t, err := h.TokenVerifier.CreateToken(&user)
 	if err != nil {
 		c.AbortWithError(http.StatusUnauthorized, err)
 	}
@@ -192,7 +195,7 @@ func (h *Handler) registerPost(c *gin.Context) {
 	password, _ := c.GetPostForm("password")
 	name, _ := c.GetPostForm("name")
 
-	user, err := h.Service.UserByUsername(email)
+	_, err := h.Service.DB.GetUserByUsername(context.Background(), email)
 	if err == nil {
 		c.AbortWithStatus(http.StatusUnauthorized)
 		return
@@ -204,12 +207,12 @@ func (h *Handler) registerPost(c *gin.Context) {
 		return
 	}
 
-	user = &budgeteer.User{
+	createUser := postgres.CreateUserParams{
 		Name:     name,
 		Password: hash,
 		Email:    email,
 	}
-	err = h.Service.CreateUser(user)
+	_, err = h.Service.DB.CreateUser(context.Background(), createUser)
 	if err != nil {
 		c.AbortWithError(http.StatusInternalServerError, err)
 	}
diff --git a/jwt/login.go b/jwt/login.go
index cb1e557..7a12ea2 100644
--- a/jwt/login.go
+++ b/jwt/login.go
@@ -5,6 +5,7 @@ import (
 	"time"
 
 	"git.javil.eu/jacob1123/budgeteer"
+	"git.javil.eu/jacob1123/budgeteer/postgres"
 	"github.com/dgrijalva/jwt-go"
 )
 
@@ -26,7 +27,7 @@ const (
 )
 
 // CreateToken creates a new token from username and name
-func (tv *TokenVerifier) CreateToken(user *budgeteer.User) (string, error) {
+func (tv *TokenVerifier) CreateToken(user *postgres.User) (string, error) {
 	token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
 		"usr":  user.Email,
 		"name": user.Name,
diff --git a/postgres/budgets.sql.go b/postgres/budgets.sql.go
index c8c2ba2..97200ac 100644
--- a/postgres/budgets.sql.go
+++ b/postgres/budgets.sql.go
@@ -20,7 +20,19 @@ type CreateBudgetParams struct {
 }
 
 func (q *Queries) CreateBudget(ctx context.Context, arg CreateBudgetParams) (Budget, error) {
-	row := q.db.QueryRow(ctx, createBudget, arg.ID, arg.Name)
+	row := q.db.QueryRowContext(ctx, createBudget, arg.ID, arg.Name)
+	var i Budget
+	err := row.Scan(&i.ID, &i.Name, &i.LastModification)
+	return i, err
+}
+
+const getBudget = `-- name: GetBudget :one
+SELECT id, name, last_modification FROM budgets 
+WHERE id = $1
+`
+
+func (q *Queries) GetBudget(ctx context.Context, id string) (Budget, error) {
+	row := q.db.QueryRowContext(ctx, getBudget, id)
 	var i Budget
 	err := row.Scan(&i.ID, &i.Name, &i.LastModification)
 	return i, err
@@ -33,7 +45,7 @@ WHERE user_budgets.user_id = $1
 `
 
 func (q *Queries) GetBudgetsForUser(ctx context.Context, userID string) ([]Budget, error) {
-	rows, err := q.db.Query(ctx, getBudgetsForUser, userID)
+	rows, err := q.db.QueryContext(ctx, getBudgetsForUser, userID)
 	if err != nil {
 		return nil, err
 	}
@@ -46,6 +58,9 @@ func (q *Queries) GetBudgetsForUser(ctx context.Context, userID string) ([]Budge
 		}
 		items = append(items, i)
 	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
 	if err := rows.Err(); err != nil {
 		return nil, err
 	}
diff --git a/postgres/budgetservice.go b/postgres/budgetservice.go
index 02fa13d..c530891 100644
--- a/postgres/budgetservice.go
+++ b/postgres/budgetservice.go
@@ -2,23 +2,19 @@ package postgres
 
 import (
 	"context"
-	"database/sql"
-
-	"git.javil.eu/jacob1123/budgeteer"
 )
 
 // Budget returns a budget for a given id.
-func (s *Repository) Budget(id string) (*budgeteer.Budget, error) {
-	b := &budgeteer.Budget{ID: id}
-	err := s.DB.Select(&b)
+func (s *Repository) Budget(id string) (*Budget, error) {
+	budget, err := s.DB.GetBudget(context.Background(), id)
 	if err != nil {
 		return nil, err
 	}
-	return b, nil
+	return &budget, nil
 }
 
 func (s *Repository) BudgetsForUser(id string) ([]Budget, error) {
-	budgets, err := s.DB.GetBudgetsForUser(context.Background(), sql.NullString{id, true})
+	budgets, err := s.DB.GetBudgetsForUser(context.Background(), id)
 	if err != nil {
 		return nil, err
 	}
@@ -26,7 +22,7 @@ func (s *Repository) BudgetsForUser(id string) ([]Budget, error) {
 
 }
 
-func (s *Repository) NewBudget(name string, userID string) (Budget, error) {
+func (s *Repository) NewBudget(name string, userID string) (*Budget, error) {
 	b := CreateBudgetParams{ID: s.IDGenerator.New(), Name: name}
 	budget, err := s.DB.CreateBudget(context.Background(), b)
 	if err != nil {
@@ -39,5 +35,5 @@ func (s *Repository) NewBudget(name string, userID string) (Budget, error) {
 		return nil, err
 	}
 
-	return budget, nil
+	return &budget, nil
 }
diff --git a/postgres/conn.go b/postgres/conn.go
index 94a2c83..1c24663 100644
--- a/postgres/conn.go
+++ b/postgres/conn.go
@@ -1,17 +1,29 @@
 package postgres
 
 import (
-	"context"
+	"database/sql"
+	"embed"
 	"fmt"
 
-	"github.com/jackc/pgx/v4"
+	_ "github.com/jackc/pgx/v4/stdlib"
+	"github.com/pressly/goose/v3"
 )
 
+// go:embed schema/*.sql
+var migrations embed.FS
+
 // Connect to a database
 func Connect(server string, user string, password string, database string) (*Queries, error) {
-	conn, err := pgx.Connect(context.Background(), fmt.Sprintf("postgresql://%s:%s@%s/%s", user, password, server, database))
+	connString := fmt.Sprintf("pgx://%s:%s@%s/%s", user, password, server, database)
+	conn, err := sql.Open("pgx", connString)
 	if err != nil {
 		return nil, err
 	}
+
+	goose.SetBaseFS(migrations)
+	if err = goose.Up(conn, "schema"); err != nil {
+		return nil, err
+	}
+
 	return New(conn), nil
 }
diff --git a/postgres/db.go b/postgres/db.go
index f2900b8..8d02508 100644
--- a/postgres/db.go
+++ b/postgres/db.go
@@ -4,15 +4,14 @@ package postgres
 
 import (
 	"context"
-
-	"github.com/jackc/pgconn"
-	"github.com/jackc/pgx/v4"
+	"database/sql"
 )
 
 type DBTX interface {
-	Exec(context.Context, string, ...interface{}) (pgconn.CommandTag, error)
-	Query(context.Context, string, ...interface{}) (pgx.Rows, error)
-	QueryRow(context.Context, string, ...interface{}) pgx.Row
+	ExecContext(context.Context, string, ...interface{}) (sql.Result, error)
+	PrepareContext(context.Context, string) (*sql.Stmt, error)
+	QueryContext(context.Context, string, ...interface{}) (*sql.Rows, error)
+	QueryRowContext(context.Context, string, ...interface{}) *sql.Row
 }
 
 func New(db DBTX) *Queries {
@@ -23,7 +22,7 @@ type Queries struct {
 	db DBTX
 }
 
-func (q *Queries) WithTx(tx pgx.Tx) *Queries {
+func (q *Queries) WithTx(tx *sql.Tx) *Queries {
 	return &Queries{
 		db: tx,
 	}
diff --git a/postgres/models.go b/postgres/models.go
index 0f4042b..afafba4 100644
--- a/postgres/models.go
+++ b/postgres/models.go
@@ -13,10 +13,10 @@ type Budget struct {
 }
 
 type User struct {
-	ID       sql.NullString
-	Email    sql.NullString
-	Name     sql.NullString
-	Password sql.NullString
+	ID       string
+	Email    string
+	Name     string
+	Password string
 }
 
 type UserBudget struct {
diff --git a/postgres/budgets.sql b/postgres/queries/budgets.sql
similarity index 60%
rename from postgres/budgets.sql
rename to postgres/queries/budgets.sql
index c4b9a0e..609f502 100644
--- a/postgres/budgets.sql
+++ b/postgres/queries/budgets.sql
@@ -1,9 +1,3 @@
-CREATE TABLE budgets (
-    id char(26) NOT NULL,
-    name text NOT NULL,
-    last_modification timestamp with time zone
-);
-
 -- name: CreateBudget :one
 INSERT INTO budgets
 (id, name, last_modification)
@@ -13,4 +7,8 @@ RETURNING *;
 -- name: GetBudgetsForUser :many
 SELECT budgets.* FROM budgets 
 LEFT JOIN user_budgets ON budgets.id = user_budgets.budget_id
-WHERE user_budgets.user_id = $1;
\ No newline at end of file
+WHERE user_budgets.user_id = $1;
+
+-- name: GetBudget :one
+SELECT * FROM budgets 
+WHERE id = $1;
\ No newline at end of file
diff --git a/postgres/user_budgets.sql b/postgres/queries/user_budgets.sql
similarity index 52%
rename from postgres/user_budgets.sql
rename to postgres/queries/user_budgets.sql
index 7bd9138..b136295 100644
--- a/postgres/user_budgets.sql
+++ b/postgres/queries/user_budgets.sql
@@ -1,8 +1,3 @@
-CREATE TABLE user_budgets (
-    user_id char(26) NOT NULL,
-    budget_id char(26) NOT NULL
-);
-
 -- name: LinkBudgetToUser :one
 INSERT INTO user_budgets
 (user_id, budget_id)
diff --git a/postgres/users.sql b/postgres/queries/users.sql
similarity index 68%
rename from postgres/users.sql
rename to postgres/queries/users.sql
index d6fdcc6..542cc20 100644
--- a/postgres/users.sql
+++ b/postgres/queries/users.sql
@@ -1,10 +1,3 @@
-CREATE TABLE users (
-    id char(26),
-    email text,
-    name text,
-    password text
-);
-
 -- name: GetUserByUsername :one
 SELECT * FROM users
 WHERE email = $1;
diff --git a/postgres/repository.go b/postgres/repository.go
index 6f48ff6..d308e92 100644
--- a/postgres/repository.go
+++ b/postgres/repository.go
@@ -1,11 +1,20 @@
 package postgres
 
-import (
-	"git.javil.eu/jacob1123/budgeteer"
-)
-
 // Repository represents a PostgreSQL implementation of all ModelServices
 type Repository struct {
 	DB          *Queries
-	IDGenerator budgeteer.IDGenerator
+	IDGenerator *UlidGenerator
+}
+
+func NewRepository(queries *Queries) (*Repository, error) {
+	id, err := NewGenerator()
+	if err != nil {
+		return nil, err
+	}
+
+	repo := &Repository{
+		DB:          queries,
+		IDGenerator: id,
+	}
+	return repo, nil
 }
diff --git a/postgres/schema/0001_budgets.sql b/postgres/schema/0001_budgets.sql
new file mode 100644
index 0000000..8117997
--- /dev/null
+++ b/postgres/schema/0001_budgets.sql
@@ -0,0 +1,9 @@
+-- +goose Up
+CREATE TABLE budgets (
+    id char(26) NOT NULL,
+    name text NOT NULL,
+    last_modification timestamp with time zone
+);
+
+-- +goose Down
+DROP TABLE budgets;
\ No newline at end of file
diff --git a/postgres/schema/0002_user_budgets.sql b/postgres/schema/0002_user_budgets.sql
new file mode 100644
index 0000000..9d66c8d
--- /dev/null
+++ b/postgres/schema/0002_user_budgets.sql
@@ -0,0 +1,8 @@
+-- +goose Up
+CREATE TABLE user_budgets (
+    user_id char(26) NOT NULL,
+    budget_id char(26) NOT NULL
+);
+
+-- +goose Down
+DROP TABLE user_budgets;
\ No newline at end of file
diff --git a/postgres/schema/0003_users.sql b/postgres/schema/0003_users.sql
new file mode 100644
index 0000000..31d1050
--- /dev/null
+++ b/postgres/schema/0003_users.sql
@@ -0,0 +1,10 @@
+-- +goose Up
+CREATE TABLE users (
+    id char(26) NOT NULL,
+    email text NOT NULL,
+    name text NOT NULL,
+    password text NOT NULL
+);
+
+-- +goose Down
+DROP TABLE users;
\ No newline at end of file
diff --git a/ulid/ulid.go b/postgres/ulid.go
similarity index 90%
rename from ulid/ulid.go
rename to postgres/ulid.go
index 9888149..b4b29fd 100644
--- a/ulid/ulid.go
+++ b/postgres/ulid.go
@@ -1,4 +1,4 @@
-package ulid
+package postgres
 
 import (
 	"math/rand"
diff --git a/postgres/user_budgets.sql.go b/postgres/user_budgets.sql.go
index cc8fd80..80e498c 100644
--- a/postgres/user_budgets.sql.go
+++ b/postgres/user_budgets.sql.go
@@ -20,7 +20,7 @@ type LinkBudgetToUserParams struct {
 }
 
 func (q *Queries) LinkBudgetToUser(ctx context.Context, arg LinkBudgetToUserParams) (UserBudget, error) {
-	row := q.db.QueryRow(ctx, linkBudgetToUser, arg.UserID, arg.BudgetID)
+	row := q.db.QueryRowContext(ctx, linkBudgetToUser, arg.UserID, arg.BudgetID)
 	var i UserBudget
 	err := row.Scan(&i.UserID, &i.BudgetID)
 	return i, err
diff --git a/postgres/users.sql.go b/postgres/users.sql.go
index f6662ed..e9f7023 100644
--- a/postgres/users.sql.go
+++ b/postgres/users.sql.go
@@ -5,7 +5,6 @@ package postgres
 
 import (
 	"context"
-	"database/sql"
 )
 
 const createUser = `-- name: CreateUser :one
@@ -16,14 +15,14 @@ RETURNING id, email, name, password
 `
 
 type CreateUserParams struct {
-	ID       sql.NullString
-	Email    sql.NullString
-	Name     sql.NullString
-	Password sql.NullString
+	ID       string
+	Email    string
+	Name     string
+	Password string
 }
 
 func (q *Queries) CreateUser(ctx context.Context, arg CreateUserParams) (User, error) {
-	row := q.db.QueryRow(ctx, createUser,
+	row := q.db.QueryRowContext(ctx, createUser,
 		arg.ID,
 		arg.Email,
 		arg.Name,
@@ -44,8 +43,8 @@ SELECT id, email, name, password FROM users
 WHERE id = $1
 `
 
-func (q *Queries) GetUser(ctx context.Context, id sql.NullString) (User, error) {
-	row := q.db.QueryRow(ctx, getUser, id)
+func (q *Queries) GetUser(ctx context.Context, id string) (User, error) {
+	row := q.db.QueryRowContext(ctx, getUser, id)
 	var i User
 	err := row.Scan(
 		&i.ID,
@@ -61,8 +60,8 @@ SELECT id, email, name, password FROM users
 WHERE email = $1
 `
 
-func (q *Queries) GetUserByUsername(ctx context.Context, email sql.NullString) (User, error) {
-	row := q.db.QueryRow(ctx, getUserByUsername, email)
+func (q *Queries) GetUserByUsername(ctx context.Context, email string) (User, error) {
+	row := q.db.QueryRowContext(ctx, getUserByUsername, email)
 	var i User
 	err := row.Scan(
 		&i.ID,
diff --git a/services.go b/services.go
deleted file mode 100644
index 5f22dda..0000000
--- a/services.go
+++ /dev/null
@@ -1,6 +0,0 @@
-package budgeteer
-
-type ModelService interface {
-	BudgetService
-	UserService
-}
diff --git a/sqlc.yaml b/sqlc.yaml
index 89cf28c..7a6fcae 100644
--- a/sqlc.yaml
+++ b/sqlc.yaml
@@ -3,6 +3,6 @@ packages:
   - path: "postgres"
     name: "postgres"
     engine: "postgresql"
-    schema: "postgres/"
-    queries: "postgres/"
-    sql_package: "pgx/v4"
+    schema: "postgres/schema/"
+    queries: "postgres/queries/"
+   #    sql_package: "pgx/v4"
diff --git a/token.go b/token.go
index 8f40ba9..4e8ee47 100644
--- a/token.go
+++ b/token.go
@@ -1,5 +1,7 @@
 package budgeteer
 
+import "git.javil.eu/jacob1123/budgeteer/postgres"
+
 // Token contains data that authenticates a user
 type Token interface {
 	GetUsername() string
@@ -11,5 +13,5 @@ type Token interface {
 // TokenVerifier verifies a Token
 type TokenVerifier interface {
 	VerifyToken(string) (Token, error)
-	CreateToken(*User) (string, error)
+	CreateToken(*postgres.User) (string, error)
 }
diff --git a/user.go b/user.go
deleted file mode 100644
index b52e9d9..0000000
--- a/user.go
+++ /dev/null
@@ -1,25 +0,0 @@
-package budgeteer
-
-// User struct contains Login information
-type User struct {
-	ID       string
-	Email    string
-	Password string
-	Name     string
-	Budgets  []*Budget `pg:",many2many:user_budgets"`
-}
-
-// UserService provides Methods for CRUD of Users
-type UserService interface {
-	User(id string) (*User, error)
-	UserByUsername(username string) (*User, error)
-	//Users() ([]*User, error)
-	CreateUser(u *User) error
-	//DeleteUser(id int) error
-}
-
-// CredentialVerifier verifies the provided credentials
-type CredentialVerifier interface {
-	Verify(password string, hashOnDb string) error
-	Hash(password string) (string, error)
-}