chore: add postgres and config with docker compose

.env.example

@@ -1,4 +1,11 @@
+NODE_ENV=development
+
 ###
-## prisma 
+## Database
 ###
-DATABASE_URL=mongodb://root:example@localhost:27017/dbname
+# replace with host.docker.internal if using docker
+# POSTGRES_HOST=host.docker.internal
+POSTGRES_HOST=localhost
+POSTGRES_USER=postgres
+POSTGRES_PASSWORD=example
+POSTGRES_DB=test

docker-compose.yml

@@ -0,0 +1,18 @@
+# Use postgres/example user/password credentials
+version: "3.1"
+
+services:
+  db:
+    image: postgres
+    restart: always
+    environment:
+      POSTGRES_USER: ${POSTGRES_USER}
+      POSTGRES_DB: ${POSTGRES_DB}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+    ports:
+      - 5432:5432
+    volumes:
+      - db:/var/lib/postgresql/data
+volumes:
+  db:
+    driver: local

src/config.ts

@@ -0,0 +1,18 @@
+import dotenv from "dotenv";
+
+const ENV = process.env.NODE_ENV ?? "development";
+
+console.log("mode:", ENV);
+
+if (ENV !== "production") {
+  dotenv.config();
+}
+
+export const config = {
+  env: ENV,
+  port: process.env.PORT || 3000,
+  db_host: process.env.POSTGRES_HOST || "localhost",
+  db_user: process.env.POSTGRES_USER || "postgres",
+  db_password: process.env.POSTGRES_PASSWORD || "postgres",
+  db_name: process.env.POSTGRES_DB || "test"
+};

src/server.ts

@@ -1,16 +1,11 @@
 import express from "express";
-import dotenv from "dotenv";
+import { config } from "./config.js";
 import { pinoHttp } from "pino-http";
 import { routes } from "./routes/index.js";
 
 const { logger } = pinoHttp();
 
-const env = process.env.NODE_ENV || "development";
-const port = process.env.PORT || 3000;
-
-if (env !== "production") {
-  dotenv.config();
-}
+console.log("config", config);
 
 const app = express();
 
@@ -22,6 +17,6 @@ app.use(
 
 routes(app);
 
-app.listen(port, () => {
-  console.log(`[server]: Server is running at http://localhost:${port}`);
+app.listen(config.port, () => {
+  console.log(`[server]: Server is running at http://localhost:${config.port}`);
 });