From 5cf5022aed7db3737ece9f8af51e5bb223dba3d5 Mon Sep 17 00:00:00 2001
From: Sidharth Babu <95430324+sidhuiwnl@users.noreply.github.com>
Date: Sat, 29 Mar 2025 09:10:25 +0530
Subject: [PATCH] refactor: dynamic SMTP for self host (#138)

Co-authored-by: KM Koushik <koushikmohan1996@gmail.com>
---
 .env.example                                           |  3 +++
 .env.selfhost.example                                  |  4 ++++
 .gitignore                                             |  1 +
 .../web/src/app/(dashboard)/dev-settings/smtp/page.tsx | 10 ++++++++--
 apps/web/src/env.js                                    |  4 ++++
 docker/prod/compose.yml                                |  2 ++
 6 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/.env.example b/.env.example
index 509bb84..916c5d7 100644
--- a/.env.example
+++ b/.env.example
@@ -5,6 +5,9 @@ REDIS_URL="redis://localhost:6379"
 
 NEXTAUTH_URL="http://localhost:3000"
 
+NEXT_PUBLIC_SMTP_HOST=smtp.mailtrap.io  # Example SMTP host
+NEXT_PUBLIC_SMTP_USER=test_userdadad@example.com  # Example SMTP user
+
 
 AWS_DEFAULT_REGION="us-east-1"
 AWS_SECRET_KEY="some-secret-key"
diff --git a/.env.selfhost.example b/.env.selfhost.example
index 0ee4dcb..101b313 100644
--- a/.env.selfhost.example
+++ b/.env.selfhost.example
@@ -12,6 +12,10 @@ DATABASE_URL="postgresql://postgres:postgres@postgres:5432/unsend"
 NEXTAUTH_URL="http://localhost:3000"
 NEXTAUTH_SECRET=
 
+#SMTP
+NEXT_PUBLIC_SMTP_HOST=smtp.mailtrap.io  # Example SMTP host
+NEXT_PUBLIC_SMTP_USER= "unsend" # Example SMTP user
+
 ## Auth providers any one is required
 # Github login - required
 GITHUB_ID="<your-github-client-id>"
diff --git a/.gitignore b/.gitignore
index 7c9a2e2..1da1a94 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,7 @@ node_modules
 # Testing
 coverage
 .idea
+
 # Turbo
 .turbo
 
diff --git a/apps/web/src/app/(dashboard)/dev-settings/smtp/page.tsx b/apps/web/src/app/(dashboard)/dev-settings/smtp/page.tsx
index 65dd799..4542855 100644
--- a/apps/web/src/app/(dashboard)/dev-settings/smtp/page.tsx
+++ b/apps/web/src/app/(dashboard)/dev-settings/smtp/page.tsx
@@ -8,6 +8,12 @@ import {
   CardTitle,
 } from "@unsend/ui/src/card";
 import { TextWithCopyButton } from "@unsend/ui/src/text-with-copy";
+import {env} from "~/env";
+
+
+const host = env.NEXT_PUBLIC_SMTP_HOST;
+const user = env.NEXT_PUBLIC_SMTP_USER;
+
 
 export default function ExampleCard() {
   return (
@@ -25,7 +31,7 @@ export default function ExampleCard() {
             <strong>Host:</strong>
             <TextWithCopyButton
               className="ml-1 border bg-primary/10  rounded-lg mt-1 p-2 w-full "
-              value={"smtp.unsend.dev"}
+              value={host}
             ></TextWithCopyButton>
           </div>
           <div>
@@ -45,7 +51,7 @@ export default function ExampleCard() {
             <strong>User:</strong>
             <TextWithCopyButton
               className="ml-1 rounded-lg mt-1 p-2 w-full bg-primary/10"
-              value={"unsend"}
+              value={user}
             ></TextWithCopyButton>
           </div>
           <div>
diff --git a/apps/web/src/env.js b/apps/web/src/env.js
index 47ccb57..b93924e 100644
--- a/apps/web/src/env.js
+++ b/apps/web/src/env.js
@@ -67,6 +67,8 @@ export const env = createEnv({
       .string()
       .default("false")
       .transform((str) => str === "true"),
+    NEXT_PUBLIC_SMTP_HOST: z.string().default("smtp.unsend.dev"),
+    NEXT_PUBLIC_SMTP_USER: z.string().default("unsend"),
   },
 
   /**
@@ -101,6 +103,8 @@ export const env = createEnv({
     STRIPE_SECRET_KEY: process.env.STRIPE_SECRET_KEY,
     STRIPE_BASIC_PRICE_ID: process.env.STRIPE_BASIC_PRICE_ID,
     STRIPE_WEBHOOK_SECRET: process.env.STRIPE_WEBHOOK_SECRET,
+    NEXT_PUBLIC_SMTP_HOST: process.env.NEXT_PUBLIC_SMTP_HOST,
+    NEXT_PUBLIC_SMTP_USER: process.env.NEXT_PUBLIC_SMTP_USER,
   },
   /**
    * Run `build` or `dev` with `SKIP_ENV_VALIDATION` to skip env validation. This is especially
diff --git a/docker/prod/compose.yml b/docker/prod/compose.yml
index 1632e35..02950f2 100644
--- a/docker/prod/compose.yml
+++ b/docker/prod/compose.yml
@@ -62,6 +62,8 @@ services:
       - REDIS_URL=${REDIS_URL:?err}
       - NEXT_PUBLIC_IS_CLOUD=${NEXT_PUBLIC_IS_CLOUD:-false}
       - API_RATE_LIMIT=${API_RATE_LIMIT:-1}
+      - NEXT_PUBLIC_SMTP_HOST=${NEXT_PUBLIC_SMTP_HOST:-smtp.unsend.dev}
+      - NEXT_PUBLIC_SMTP_USER=${NEXT_PUBLIC_SMTP_USER:-unsend}
     depends_on:
       postgres:
         condition: service_healthy