Use goose for migrations

postgres/queries/budgets.sql

@@ -0,0 +1,14 @@
+-- name: CreateBudget :one
+INSERT INTO budgets
+(id, name, last_modification)
+VALUES ($1, $2, NOW())
+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;
+
+-- name: GetBudget :one
+SELECT * FROM budgets 
+WHERE id = $1;

postgres/queries/user_budgets.sql

@@ -0,0 +1,5 @@
+-- name: LinkBudgetToUser :one
+INSERT INTO user_budgets
+(user_id, budget_id)
+VALUES ($1, $2)
+RETURNING *;

postgres/queries/users.sql

@@ -0,0 +1,13 @@
+-- name: GetUserByUsername :one
+SELECT * FROM users
+WHERE email = $1;
+
+-- name: GetUser :one
+SELECT * FROM users
+WHERE id = $1;
+
+-- name: CreateUser :one
+INSERT INTO users
+(id, email, name, password)
+VALUES ($1, $2, $3, $4)
+RETURNING *;