add: knex file and migrations base

back/.env.example

@@ -1,3 +1,11 @@
 PORT=
 HOST=
-NODE_ENV=
+
+NODE_ENV=
+
+DB_HOST=
+DB_PORT=
+DB_USER=
+DB_PASSWORD=
+DB_NAME=
+DATABASE_URL=

back/knexfile.ts

@@ -0,0 +1,44 @@
+import type { Knex } from "knex";
+import "dotenv/config";
+
+function requireEnv(name: string): string {
+    const value = process.env[name];
+    if (!value) {
+        throw new Error(`Variável de ambiente obrigatória ausente: ${name}`);
+    }
+    return value;
+    }
+
+    const config: Record<string, Knex.Config> = {
+    development: {
+        client: "pg",
+        connection: {
+        host: String(process.env.DB_HOST ),
+        port: Number(process.env.DB_PORT),
+        user: requireEnv("DB_USER"),
+        password: requireEnv("DB_PASSWORD"),
+        database: requireEnv("DB_NAME"),
+        },
+        migrations: {
+        directory: "./src/database/migrations",
+        extension: "ts",
+        },
+        seeds: {
+        directory: "./src/database/seeds",
+        extension: "ts",
+        },
+        pool: { min: 2, max: 10 },
+    },
+
+    production: {
+        client: "pg",
+        connection: requireEnv("DATABASE_URL"),
+        migrations: {
+        directory: "./src/database/migrations",
+        extension: "ts",
+        },
+        pool: { min: 2, max: 10 },
+    },
+};
+
+export default config;

back/package.json

@@ -4,7 +4,12 @@
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "dev": "tsx watch src/server.ts"
+    "dev": "tsx watch src/server.ts",
+    "migrate:make": "tsx node_modules/knex/bin/cli.js migrate:make --knexfile knexfile.ts",
+    "migrate:latest": "tsx node_modules/knex/bin/cli.js migrate:latest --knexfile knexfile.ts",
+    "migrate:rollback": "tsx node_modules/knex/bin/cli.js migrate:rollback --knexfile knexfile.ts",
+    "seed:make": "tsx node_modules/knex/bin/cli.js seed:make --knexfile knexfile.ts",
+    "seed:run": "tsx node_modules/knex/bin/cli.js seed:run --knexfile knexfile.ts"
   },
   "type": "module",
   "keywords": [],

back/src/database/migrations/20260911201457_user.ts

@@ -0,0 +1,12 @@
+import type { Knex } from "knex";
+
+
+export async function up(knex: Knex): Promise<void> {
+
+}
+
+
+export async function down(knex: Knex): Promise<void> {
+
+}
+

back/src/database/migrations/20260912221551_campanhas.ts

@@ -0,0 +1,10 @@
+import type { Knex } from "knex";
+
+
+export async function up(knex: Knex): Promise<void> {
+}
+
+
+export async function down(knex: Knex): Promise<void> {
+}
+

back/src/database/migrations/20260912221614_vaquinhas.ts

@@ -0,0 +1,10 @@
+import type { Knex } from "knex";
+
+
+export async function up(knex: Knex): Promise<void> {
+}
+
+
+export async function down(knex: Knex): Promise<void> {
+}
+

back/src/database/migrations/20260912221623_rifas.ts

@@ -0,0 +1,10 @@
+import type { Knex } from "knex";
+
+
+export async function up(knex: Knex): Promise<void> {
+}
+
+
+export async function down(knex: Knex): Promise<void> {
+}
+

back/src/database/migrations/20260912221823_redes_sociais.ts

@@ -0,0 +1,10 @@
+import type { Knex } from "knex";
+
+
+export async function up(knex: Knex): Promise<void> {
+}
+
+
+export async function down(knex: Knex): Promise<void> {
+}
+

back/src/database/migrations/20260912221836_comprovantes.ts

@@ -0,0 +1,10 @@
+import type { Knex } from "knex";
+
+
+export async function up(knex: Knex): Promise<void> {
+}
+
+
+export async function down(knex: Knex): Promise<void> {
+}
+

back/src/database/migrations/20260912221841_inscricao.ts

@@ -0,0 +1,10 @@
+import type { Knex } from "knex";
+
+
+export async function up(knex: Knex): Promise<void> {
+}
+
+
+export async function down(knex: Knex): Promise<void> {
+}
+