Create a new guide for send, an alternative to WeTransfer

content/guides/send.md

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+---
+title: 'Send'
+description: "A comprehensive guide to deploying Send, a secure file-sharing application, on the Clever Cloud platform."
+tags:
+- guides
+keywords:
+- wetransfer
+- nodejs
+- javascript
+- redis
+- cellar
+- s3
+
+type: docs
+---
+
+{{< hextra/hero-subtitle >}}
+  Simple, private file sharing. A fork of Mozilla's Firefox Send that allows you to encrypt and send files with links that automatically expire.
+{{< /hextra/hero-subtitle >}}
+
+## Send architecture overview
+
+[Send](https://github.com/timvisee/send) is a Node.js application providing secure file sharing with automatic expiration. It uses Redis for metadata storage and supports multiple storage backends including local filesystem, S3-compatible services, and Google Cloud Storage.
+
+```mermaid
+flowchart TD
+ subgraph s1["Node.js"]
+        n6["Send Application"]
+  end
+    n1["Redis"] --> s1
+    s1 --> n1 & n4["S3/Cellar"]
+    n4 --> s1
+    n1@{ shape: cyl}
+    n4@{ shape: rect}
+```
+
+## Prerequisites
+
+Before deploying Send on Clever Cloud, make sure you have:
+
+- **Node.js 16.x**
+- **Redis** for metadata storage
+- **Cellar S3** for file storage
+- **Clever Tools CLI** ([documentation](/developers/doc/cli/))
+- **s3cmd** for bucket management
+- **Git**
+
+## Installation and deployment
+
+### 1. Clone and prepare the Send repository
+
+Clone the Send repository and prepare it for deployment:
+
+```bash
+# Clone the Send repository
+git clone https://github.com/timvisee/send.git
+cd send
+```
+
+### 2. Create and configure Redis add-on
+
+Create a Redis add-on first for metadata storage:
+
+```bash
+# Create Redis addon
+clever addon create redis-addon --plan s_mono send-redis
+```
+
+### 3. Create and configure Cellar S3 storage
+
+Create the Cellar S3 addon for file storage:
+
+```bash
+# Create Cellar addon
+clever addon create cellar-addon --plan S send-storage
+```
+
+and configure a bucket for send "send-storage-bucket"
+
+Check the docs for more information https://www.clever-cloud.com/developers/doc/addons/cellar/
+
+### 4. Create and configure Node.js application
+
+Create the Node.js application on Clever Cloud:
+
+```bash
+# Create the Node.js app on Clever Cloud
+clever create --type node send-app
+
+# Link Redis addon to the application
+clever service link-addon send-redis
+
+# Link Cellar addon to the application
+clever service link-addon send-storage
+```
+
+Set Node.js version and basic configuration:
+
+```bash
+# Set Node.js version and environment
+clever env set CC_NODE_VERSION 16
+clever env set PORT 8080
+clever env set CC_POST_BUILD_HOOK "npm install && npm install -g rimraf && npm run build"
+```
+
+### 5. Configure environment variables
+
+First, get the IDs of the addons with `clever addon`.
+
+Set Redis connection environment variables:
+
+```bash
+# Redis configuration
+clever env set REDIS_DB 0
+```
+
+All other variables are configured automatically.
+
+Configure S3/Cellar storage (replace with actual values from `clever addon env <addon_id>`):
+
+```bash
+# S3/Cellar configuration
+clever env set S3_BUCKET send-storage-bucket
+clever env set S3_ENDPOINT <CELLAR_ADDON_HOST>
+clever env set AWS_ACCESS_KEY_ID <CELLAR_ADDON_KEY_ID>
+clever env set AWS_SECRET_ACCESS_KEY <CELLAR_ADDON_KEY_SECRET>
+clever env set S3_USE_PATH_STYLE_ENDPOINT true
+```
+
+Set Send application configuration:
+
+get the current testing domain with `clever domain`, then
+
+```bash
+# Base URL (replace with your test domain)
+clever env set BASE_URL https://<your-test-domain>.cleverapps.io
+
+# File upload limits
+clever env set MAX_FILE_SIZE 2147483648
+clever env set MAX_FILES_PER_ARCHIVE 64
+clever env set MAX_ARCHIVES_PER_USER 16
+
+# Download and expiration settings
+clever env set DEFAULT_EXPIRE_SECONDS 86400
+clever env set MAX_EXPIRE_SECONDS 604800
+clever env set DEFAULT_DOWNLOADS 1
+clever env set MAX_DOWNLOADS 100
+
+# UI dropdown options
+clever env set DOWNLOAD_COUNTS "1,5,10,25,50,100"
+clever env set EXPIRE_TIMES_SECONDS "3600,86400,604800,2592000"
+```
+
+### 6. Deploy the application
+
+Deploy your Send application:
+
+```bash
+
+# Deploy to Clever Cloud
+clever deploy
+```
+
+### 7. Set up custom domain (optional)
+
+If you want to use a custom domain:
+
+```bash
+# Add your custom domain
+clever domain add <your-custom-domain.com>
+
+# Update the BASE_URL environment variable
+clever env set BASE_URL https://<your-custom-domain.com>
+
+# Restart to apply new BASE_URL
+clever restart
+```
+
+## Alternative configurations
+
+### Custom branding (optional)
+
+Customize the appearance of your Send instance:
+
+```bash
+# Custom branding
+clever env set UI_COLOR_PRIMARY "#ff6600"
+clever env set UI_COLOR_ACCENT "#cc5200"
+clever env set CUSTOM_TITLE "My Send Instance"
+clever env set CUSTOM_DESCRIPTION "Secure file sharing for our organization"
+clever env set CUSTOM_FOOTER_TEXT "Powered by Send"
+clever env set CUSTOM_FOOTER_URL "https://example.com"
+```
+
+## Common issues
+
+**1. Redis connection failed:**
+- Verify Redis addon is linked: `clever service`
+- Check Redis environment variables: `clever env | grep REDIS`
+
+**2. S3 upload fails:**
+- Verify bucket exists: `s3cmd ls`
+- Check S3 environment variables: `clever env | grep -E "(S3_|AWS_)"`
+- Verify bucket policy: `s3cmd info s3://your-bucket`
+
+**3. Application won't start:**
+- Check logs: `clever logs`
+- Verify all required environment variables are set: `clever env`
+- Restart application: `clever restart`
+
+## 🎓 Further Help
+
+{{< cards >}}
+  {{< card link="https://github.com/timvisee/send" title="Send GitHub Repository" subtitle="Source code and documentation" icon="code-bracket" >}}
+  {{< card link="https://www.clever-cloud.com/developers/doc/cli/" title="Clever Cloud CLI" subtitle="CLI documentation and commands" icon="terminal" >}}
+  {{< card link="https://www.clever-cloud.com/developers/doc/addons/cellar/" title="Cellar Documentation" subtitle="S3-compatible storage guide" icon="server" >}}
+  {{< card link="https://github.com/timvisee/send/blob/master/docs/docker.md" title="Docker Documentation" subtitle="Container deployment guide" icon="cube" >}}
+{{< /cards >}}