5 releases (3 breaking)

new 0.5.1 Mar 23, 2023
0.4.0 Jul 11, 2022
0.3.0 Mar 9, 2022
0.1.1 Sep 16, 2021
0.1.0 Sep 14, 2021

#313 in WebAssembly

25 downloads per month

Apache-2.0 and maybe LGPL-3.0-or-later

734 lines

wasmCloud Examples

Example actors, capability providers, and other demonstrations


The following actors run as WebAssembly on wasmCloud hosts.

Example Description OCI Reference
(refer to example for latest version)
animal-image-downloader An actor that receives messages and makes HTTP requests, downloading a picture of an animal to a blobstore wasmcloud.azurecr.io/animal-image-downloader
echo An actor that listens on an HTTP port and returns a JSON payload describing the incoming request wasmcloud.azurecr.io/echo
echo-messaging An actor that listens on a message broker topic and replies wasmcloud.azurecr.io/echo-messaging
hello Canonical "hello world" actor that listens on an HTTP port and replies with a greeting wasmcloud.azurecr.io/hello
kvcounter An actor that uses the key-value store to increment a counter and return a value for every HTTP request it receives wasmcloud.azurecr.io/kvcounter
logging An actor that demonstrates the builtin logging capability provider wasmcloud.azurecr.io/logging
message-pub An actor that demonstrates receiving HTTP requests and publishing the request body as a message wasmcloud.azurecr.io/message-pub
random An actor that demonstrates the builtin random number generation capability provider wasmcloud.azurecr.io/random
todo-sql An todo-application using sql database, https server (with TLS), logging, and numbergen (unpublished)
todo An todo-application using keyvalue store, http server, and logging (unpublished)
xkcd A application that generates xkcd comics wasmcloud.azurecr.io/xkcd
ifconfig A tinygo actor that will return the external IP address of your http client (unpublished)


The following example interfaces are defined by Smithy models.

Example Description Capability contract Rust crate
payments A simple interface for a payments capability provider (used in the Creating an Interface tutorial) wasmcloud:example:payments wasmcloud-examples-payments
runner A simple interface with a single 'Run' method wasmcloud:example:runner wasmcloud-examples-runner

Capability providers

Providers of capabilities for wasmCloud actors

Example Description Capability contract OCI Reference
factorial A capability provider that computes factorial of a number wasmcloud:example:payments wasmcloud.azurecr.io/factorial
fakepay A simple payment provider, used in the Creating a capability provider tutorial wasmcloud:example:fakepay wasmcloud.azurecr.io/fakepay


Example Description
petclinic A WebAssembly and wasmCloud-based reimagining of the classic Spring Boot microservices Pet Clinic. The wasmCloud Pet Clinic consists of multiple actors, and uses a relational database capability provider and an http server capability provider.




~409K SLoC