diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 0000000..70065e9
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,23 @@
+# Contributing
+
+You can greatly support Plunk by contributing to this repository.
+
+Support can be asked in the `#contributions` channel of the [Plunk Discord server](https://useplunk.com/discord)
+
+### 1. Requirements
+
+- Docker needs to be [installed](https://docs.docker.com/engine/install/) on your system.
+
+### 2. Set your environment variables
+
+- Copy the `.env.example` files in the `api`, `dashboard` and `prisma` folder to `.env` in their respective folders.
+
+### 3. Start resources
+- Run `yarn services:up` to start a local database and a local redis server.
+- Run `yarn migrate` to apply the migrations to the database.
+- Run `yarn build:shared` to build the shared package.
+
+
+- Run `yarn dev:api` to start the API server.
+- Run `yarn dev:dashboard` to start the dashboard server.
+
diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
new file mode 100644
index 0000000..7cc4950
--- /dev/null
+++ b/docker-compose.dev.yml
@@ -0,0 +1,15 @@
+version: '3'
+services:
+  db:
+    image: postgres
+    ports:
+      - 55432:5432
+    environment:
+      POSTGRES_PASSWORD: postgres
+      POSTGRES_USER: postgres
+      POSTGRES_DB: postgres
+
+  redis:
+    image: redis
+    ports:
+      - 56379:6379
\ No newline at end of file
diff --git a/package.json b/package.json
index eff921e..75ed10f 100644
--- a/package.json
+++ b/package.json
@@ -4,9 +4,7 @@
 	"private": true,
 	"license": "MIT",
 	"workspaces": {
-		"packages": [
-			"packages/*"
-		]
+		"packages": ["packages/*"]
 	},
 	"engines": {
 		"npm": ">=6.14.x",
@@ -33,6 +31,8 @@
 		"preinstall": "node tools/preinstall.js",
 		"migrate": "prisma migrate dev",
 		"migrate:deploy": "prisma migrate deploy",
-		"generate": "prisma generate"
+		"generate": "prisma generate",
+		"services:up": "docker compose -f docker-compose.dev.yml up -d",
+		"services:down": "docker compose -f docker-compose.dev.yml down"
 	}
 }
diff --git a/packages/api/src/app.ts b/packages/api/src/app.ts
index 43093ac..e53a767 100644
--- a/packages/api/src/app.ts
+++ b/packages/api/src/app.ts
@@ -10,7 +10,7 @@ import { type NextFunction, type Request, type Response, json } from "express";
 import helmet from "helmet";
 import morgan from "morgan";
 import signale from "signale";
-import { API_URI, NODE_ENV } from "./app/constants";
+import { APP_URI, NODE_ENV } from "./app/constants";
 import { task } from "./app/cron";
 import { Auth } from "./controllers/Auth";
 import { Identities } from "./controllers/Identities";
@@ -53,7 +53,7 @@ const server = new (class extends Server {
 
 		this.app.use(
 			cors({
-				origin: [API_URI],
+				origin: [APP_URI],
 				credentials: true,
 			}),
 		);
diff --git a/packages/api/src/app/constants.ts b/packages/api/src/app/constants.ts
index fcbddca..0a9660a 100644
--- a/packages/api/src/app/constants.ts
+++ b/packages/api/src/app/constants.ts
@@ -29,7 +29,7 @@ export const NODE_ENV = validateEnv<"development" | "production">(
 export const REDIS_URL = validateEnv("REDIS_URL");
 
 // URLs
-export const API_URI = validateEnv("API_URI", "http://localhost:8080");
+export const API_URI = validateEnv("API_URI", "http://localhost:4000");
 export const APP_URI = validateEnv("APP_URI", "http://localhost:3000");
 
 // AWS
diff --git a/prisma/.env.example b/prisma/.env.example
index 335dc4e..ee7f048 100644
--- a/prisma/.env.example
+++ b/prisma/.env.example
@@ -1 +1 @@
-DATABASE_URL=postgresql://postgres:postgres@localhost:5432/postgres
\ No newline at end of file
+DATABASE_URL=postgresql://postgres:postgres@localhost:55432/postgres
\ No newline at end of file