Dev

README.md

@@ -0,0 +1,47 @@
+
+🚀 Takeoff Mailer
+A high-performance, resilient email consumer built in Rust to handle transactional email delivery for the TAKEOFF event.
+This service implements a decoupled, event-driven architecture using RabbitMQ for reliable message delivery and Protobuf for strict schema enforcement.
+🏗 System Architecture
+The mailer is designed with a "Reliability First" philosophy to ensure no attendee ever misses a QR code or confirmation.
+ * Asynchronous Processing: Offloads email sending from the main API to a dedicated Rust worker.
+ * Protocol Buffers: Uses email.proto to ensure data integrity between the Node.js producer and Rust consumer.
+ * DLX (Dead Letter Exchange): Features an automated "Hospital" queue (email_failed_queue) for messages that fail after maximum retries or fail decoding.
+🛠 Tech Stack
+ * Language: Rust (Tokio runtime)
+ * Broker: RabbitMQ (via lapin)
+ * Serialization: Google Protocol Buffers (prost)
+ * Monitoring: Datadog (Metrics/Traces) & Dozzle (Logs)
+ * Deployment: Docker / VPS
+🚦 Getting Started
+Prerequisites
+ * Rust 1.75+
+ * protoc (Protobuf Compiler)
+ * Docker & Docker Compose
+Environment Variables
+Create a .env file in the root directory:
+AMQP_ADDR=amqp://guest:guest@localhost:5672/%2f
+SMTP_RELAY=smtp.example.com
+SMTP_USER=user@example.com
+SMTP_PASS=password
+RUST_LOG=info
+
+Running Locally
+ * Start RabbitMQ:
+   docker compose up -d rabbitmq
+
+ * Run the Worker:
+   cargo run
+
+🏥 Fault Tolerance & Recovery
+This repo includes a built-in recovery "stitch" for handling failures:
+The Dead Letter Pattern
+If a message fails delivery 3 times, it is automatically routed to the email_failed_queue. This prevents "Poison Pill" messages from clogging the main pipeline.
+
+📊 Observability
+This service is fully instrumented for production visibility:
+ * Health Checks: Integrated with Docker health checks.
+ * Unified Tagging: Tags every log and metric with env:takeoff-prod and service:email-worker.
+ * Dashboard: Real-time throughput and error rates are monitored via Datadog.
+📜 License
+Distributed under the MIT License. See LICENSE for more information.

src/template/registration_successful.html

@@ -152,7 +152,7 @@
                                   font-family: unset;
                                 "
                               >
-                                Date: February 28th, 2026
+                                Date: March 21st, 2026
                               </li>
                               <li
                                 style="
@@ -279,7 +279,7 @@
                             <ol style="margin-top: 0px">
                               <li>
                                 Save the date and add it to your calendar (<a
-                                  href="https://calendar.google.com/calendar/event?action=TEMPLATE&amp;tmeid=NGQ5Y3M3YTdqaGR2YzF0OG10bzJtNTFra2ogb3BlbnNvdXJjZW5lc3RAbQ&amp;tmsrc=opensourcenest%40gmail.com"
+                                  href="https://calendar.google.com/calendar/event?action=TEMPLATE&amp;tmeid=MDgxZ2FhNm52bmRxdmxvdmk2cGg4MHNvNmogb3BlbnNvdXJjZW5lc3RAbQ&amp;tmsrc=opensourcenest%40gmail.com"
                                   style="
                                     color: #067df7;
                                     text-decoration-line: none;
@@ -289,8 +289,26 @@
                                 >)
                               </li>
                               <li>
-                                Follow us on X (@OpenSourceNest) and Linkedin
-                                for real-time updates, speaker announcements,
+                                Follow us on<!-- -->
+                                <a
+                                  href="https://x.com/OpenSourceNest"
+                                  style="
+                                    color: #067df7;
+                                    text-decoration-line: none;
+                                  "
+                                  target="_blank"
+                                  >X (@OpenSourceNest)</a
+                                >
+                                <!-- -->and<!-- -->
+                                <a
+                                  href="https://www.linkedin.com/company/open-source-nest/"
+                                  style="
+                                    color: #067df7;
+                                    text-decoration-line: none;
+                                  "
+                                  target="_blank"
+                                  >Linkedin<!-- --> </a
+                                >for real-time updates, speaker announcements,
                                 and prep resources.
                               </li>
                               <li>
@@ -346,7 +364,7 @@
                         </tr>
                       </tbody>
                     </table>
-
+                    <br />
                     <p
                       style="
                         font-size: 1.2rem;