Architecture decision guide
Lightsail can fit a bounded workload that benefits from a simplified bundle. An EC2-centred architecture fits when networking, scaling, specialized compute or deep AWS integration is a proved requirement—and the team can operate the extra components.
Evidence reviewed 8 October 2026. Prices and regional availability can change; verify them for your Region before purchase.
Neither option is “managed hosting” by default. Both require explicit ownership of application maintenance, security, data protection and incident response. The useful comparison is how much infrastructure choice and operating work the workload actually needs.
A focused AWS product family for websites and web applications, with virtual servers, containers, managed databases, load balancers, CDN distributions, DNS, static IPs, block storage and snapshots in a simplified interface. Bundles can make a bounded architecture easier to forecast.
Resizable compute with broader instance, storage, network and purchasing choices. A production design may separately use EBS, Elastic Load Balancing, Auto Scaling, CloudWatch, public IPv4, backups, databases, DNS, data transfer and support.
EC2 provides choices; it does not supply a complete or highly available architecture automatically.
“Candidate” means worth validating, not a recommendation. Unknowns deliberately block a conclusion.
On smaller screens, each workload is shown as a labelled decision card—no sideways scrolling required.
| Requirement | Lightsail path | EC2-centred path | Evidence before choosing |
|---|---|---|---|
| Small brochure site or low-change WordPress site | Candidate when bundle limits, recovery and traffic evidence fit | Candidate, but added controls may not justify added operations | Prove plugins, storage growth, backup restore and transfer |
| Small application with one predictable node | Candidate when the supported image and networking boundary fit | Candidate when team already operates AWS components | Prove dependencies, patching, logging and recovery |
| Custom VPC routing or network appliances | Limited product boundary; treat as a disqualifier until proven | EC2-centred candidate | Document subnets, routes, gateways, security groups and failure paths |
| Health-based horizontal scaling across Availability Zones | Lightsail load balancing is not EC2 Auto Scaling parity | EC2-centred candidate | Externalize state; test health replacement and zone failure |
| Specialized CPU, memory, architecture, GPU or accelerator | May fall outside the available bundle set | EC2-centred candidate | Benchmark the actual workload; verify regional availability |
| Deep RDS, DynamoDB, Lambda or broader AWS integration | Possible integrations exist, but complexity can signal boundary mismatch | EC2-centred candidate | Map identity, network, data and monitoring dependencies |
| Workload with unknown requirements | Do not recommend yet | Do not recommend yet | Collect evidence before choosing |
This browser-local inventory does not estimate a price. It prevents missing components before you use current AWS pricing for one named Region, currency and usage model.
For deeper methodology, use the true hosting cost guide and the hidden limits guide.
Answer from documented requirements. “Unknown” returns insufficient evidence. The tool never declares either service universally best.
A larger instance may buy time, but validate resize mechanics, maintenance windows, limits and rollback.
Load balancing is not equivalent to policy-driven replacement and scaling. Define health checks, capacity rules and failure domains.
Unhealthy instance replacement can discard local instance data. Externalize or protect sessions, uploads, databases, secrets and queues before testing replacement.
Region choice and network distance are separate decisions; use the data-centre latency guide to validate them.
AWS snapshot export creates EC2 artifacts, not a complete application move. A supported instance snapshot can create an AMI and EBS snapshot; attached disk snapshots can create additional EBS snapshots. Export is same-Region unless the Lightsail snapshot is copied first. Some images, including the documented cPanel & WHM (CentOS 7) image, cannot be exported.
Lightsail is a candidate when the supported image, plugins, traffic, restore and transfer evidence fit. EC2 is not automatically better.
Custom network controls, auditable identity, managed data services and explicit failure domains can make an EC2-centred design the candidate—but only with an operating owner.
Health-based horizontal scaling may disqualify a simple Lightsail path. Prove state externalization, scale signals and rollback before selecting EC2 Auto Scaling.
Do not migrate because growth feels likely. Name the first unmet requirement, build the complete EC2 cost and resource ledger, then canary a reversible target.
No. Lightsail simplifies provisioning and bundles several resources, but you still need an operating plan for the operating system, application, security, backups and incidents unless another service provider takes that responsibility.
Lightsail packages a narrower set of website and application building blocks behind a simplified interface. EC2 gives broader compute, networking, storage and purchasing choices, while the surrounding architecture must be selected and operated explicitly.
There is no universal winner. Compare a Lightsail bundle and every attached service with the complete EC2 architecture, including compute, EBS, load balancing, public IPv4, data transfer, monitoring, backups, DNS, databases, support and operations.
No. High availability requires an explicit design across failure domains, health checks, replacement behavior, load balancing, data durability and tested recovery. A single EC2 instance is still a single instance.
No. Lightsail has product-specific resize and load-balancing paths. EC2 Auto Scaling uses launch templates, health checks, Availability Zone balancing and scaling policies; stateful data must be protected or externalized.
A supported instance snapshot creates an AMI and EBS snapshot; attached disk snapshots create additional EBS snapshots. Managed databases, containers, load balancers, distributions, static IPs and DNS are not migrated by that export.
No. Export creates copies. Original instances, snapshots and surrounding Lightsail resources continue to exist and may continue billing until you deliberately delete them after acceptance and recovery evidence is complete.
No verified AWS affiliate relationship is used on this page. AWS evidence links are direct and untracked. Other site links may lead to commercial comparisons under the site-wide disclosure.
Reviewed 8 October 2026. AWS can change service features, availability and pricing. Recheck official pages for the intended Region and architecture before purchase or migration.
