Architecture

Lancer deploys a lightweight infrastructure to your cloud provider that manages your applications.

Overview

Lancer consists of:

• Foundation: Shared infrastructure (networking, load balancing, container orchestration)
• Lancer API: The dashboard and API that manages deployments

AWS Architecture

When using AWS as a cloud provider:

Foundation Infrastructure

• VPC: Virtual Private Cloud with 2 public subnets
• Application Load Balancer (ALB): Routes traffic to your services
• ECS Cluster: Manages container orchestration
• IAM Roles: Permissions for ECS instances

Lancer API

The API runs as an ECS service and provides:

• Dashboard web interface
• REST API for deployments
• Authentication and user management

Design Principles

Cost Optimization

Lancer is designed to minimize cloud costs:

• No NAT Gateway: Uses public subnets only
• Shared Load Balancer: One load balancer for all services
• ECS on EC2: More cost-effective than Fargate for small workloads
• ARM instances: Uses Graviton (t4g) instances where available

Security

• All traffic routed through load balancer with HTTPS support
• Security groups isolate services
• Database credentials stored encrypted
• EBS volumes encrypted at rest