enh: improve challenges

.github/workflows/ci.yml

@@ -11,8 +11,8 @@ on:
       - "**.md"
 
 env:
-  GO_VERSION: "1.21.4" # https://go.dev/dl/
-  GOLANGCI_LINT_VERSION: "v1.55.2" # https://github.com/golangci/golangci-lint/releases
+  GO_VERSION: "1.22.5" # https://go.dev/dl/
+  GOLANGCI_LINT_VERSION: "v1.59.1" # https://github.com/golangci/golangci-lint/releases
 
 jobs:
   lint:

ios/server/go.mod

@@ -1,16 +1,16 @@
 module github.com/hearthands/challenges/ios/server
 
-go 1.21.4
+go 1.22.5
 
 require (
-	github.com/go-chi/chi/v5 v5.0.10
+	github.com/go-chi/chi/v5 v5.1.0
 	github.com/go-chi/render v1.0.3
 	github.com/r3labs/sse/v2 v2.10.0
-	golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa
+	golang.org/x/exp v0.0.0-20240707233637-46b078467d37
 )
 
 require (
 	github.com/ajg/form v1.5.1 // indirect
-	golang.org/x/net v0.18.0 // indirect
+	golang.org/x/net v0.27.0 // indirect
 	gopkg.in/cenkalti/backoff.v1 v1.1.0 // indirect
 )

ios/server/go.sum

@@ -2,8 +2,8 @@ github.com/ajg/form v1.5.1 h1:t9c7v8JUKu/XxOGBU0yjNpaMloxGEJhUkqFRq0ibGeU=
 github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/go-chi/chi/v5 v5.0.10 h1:rLz5avzKpjqxrYwXNfmjkrYYXOyLJd37pz53UFHC6vk=
-github.com/go-chi/chi/v5 v5.0.10/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
+github.com/go-chi/chi/v5 v5.1.0 h1:acVI1TYaD+hhedDJ3r54HyA6sExp3HfXq7QWEEY/xMw=
+github.com/go-chi/chi/v5 v5.1.0/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
 github.com/go-chi/render v1.0.3 h1:AsXqd2a1/INaIfUSKq3G5uA8weYx20FOsM7uSoCyyt4=
 github.com/go-chi/render v1.0.3/go.mod h1:/gr3hVkmYR0YlEy3LxCuVRFzEu9Ruok+gFqbIofjao0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -14,14 +14,11 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
-golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
-golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa h1:FRnLl4eNAQl8hwxVVC17teOw8kdjVDVAiFMtgUdTSRQ=
-golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa/go.mod h1:zk2irFbV9DP96SEBUUAy67IdHUaZuSnrz1n472HUCLE=
-golang.org/x/net v0.0.0-20191116160921-f9c825593386 h1:ktbWvQrW08Txdxno1PiDpSxPXG6ndGsfnJjRRtkM0LQ=
+golang.org/x/exp v0.0.0-20240707233637-46b078467d37 h1:uLDX+AfeFCct3a2C7uIWBKMJIR3CJMhcgfrUAqjRK6w=
+golang.org/x/exp v0.0.0-20240707233637-46b078467d37/go.mod h1:M4RDyNAINzryxdtnbRXRL/OHtkFuWGRjvuhBJpk2IlY=
 golang.org/x/net v0.0.0-20191116160921-f9c825593386/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.18.0 h1:mIYleuAkSbHh0tCv7RvjL3F6ZVbLjq4+R7zbOn3Kokg=
-golang.org/x/net v0.18.0/go.mod h1:/czyP5RqHAH4odGYxBJ1qz0+CE5WZ+2j1YgoEo8F2jQ=
+golang.org/x/net v0.27.0 h1:5K3Njcw06/l2y9vpGCSdcxWOYHOUk3dVNGDXN+FvAys=
+golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 gopkg.in/cenkalti/backoff.v1 v1.1.0 h1:Arh75ttbsvlpVA7WtVpH4u9h6Zl46xuptxqLxPiSo4Y=

ios/server/main.go

@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"math/rand"
+	"net"
 	"net/http"
 	"os"
 	"strconv"
@@ -21,9 +22,14 @@ import (
 )
 
 var (
-	hostname = envOrDefault("HTTP_HOST", "localhost") // hostname used by the server
-	port     = envOrDefault("PORT", "3000")           // port used by the server
-	limit    = 100                                    // maximum number of entities returned in a single request
+	// hostname used by the server
+	hostname = envOrDefault("HTTP_HOST", "localhost")
+
+	// port used by the server
+	port = envOrDefault("PORT", "3000")
+
+	// maximum number of entities returned in a single request
+	limit = 100
 )
 
 //go:embed data.json
@@ -49,8 +55,12 @@ func main() {
 		r.Post("/chats/{chatID}/messages", app.PostMessages)
 	})
 
-	addr := fmt.Sprintf("%s:%s", hostname, port)
-	fmt.Printf("Starting server on %s\n", addr)
+	r.Get("/livez", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+	}))
+
+	addr := net.JoinHostPort(hostname, port)
+	fmt.Printf("Starting server on http://%s\n", addr)
 	if err := http.ListenAndServe(addr, r); err != nil {
 		panic(fmt.Errorf("failed to start server on %s: %w", addr, err))
 	}

readme.md

@@ -1,7 +1,7 @@
 # Challenges [![ci status](https://github.com/hearthandsinc/challenges/actions/workflows/ci.yml/badge.svg)](https://github.com/hearthandsinc/challenges/actions/workflows/ci.yml)
 
 This repository contains the [Heart Hands](https://hearthands.tech/) engineering
-challenges for [iOS](./ios), [backend](./backend), and [AI](./aillm) positions.
+challenges for [iOS](./ios) and [backend](./backend) positions.
 
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