refactor: embed version

Makefile

@@ -1,21 +1,17 @@
 STACK = days
-VERSION = $(shell git rev-parse --abbrev-ref HEAD)-$(shell git rev-parse --short HEAD)
 SAM_CLI_TELEMETRY=0
 
-
 .PHONY: build deploy validate destroy
 
 DOMAINNAME = days.dabase.com
 ACMCERTIFICATEARN = arn:aws:acm:eu-west-2:407461997746:certificate/9083a66b-72b6-448d-9bce-6ee2e2e52e36
 
-
 deploy:
 	sam build
 	SAM_CLI_TELEMETRY=0 sam deploy --resolve-s3 --stack-name $(STACK) --parameter-overrides DomainName=$(DOMAINNAME) ACMCertificateArn=$(ACMCERTIFICATEARN) --no-confirm-changeset --no-fail-on-empty-changeset --capabilities CAPABILITY_IAM --disable-rollback
 
 build-MainFunction:
-	cp LICENSE ${ARTIFACTS_DIR}
-	CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -ldflags "-X main.Version=$(VERSION)" -o ${ARTIFACTS_DIR}/bootstrap
+	CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -o ${ARTIFACTS_DIR}/bootstrap
 
 validate:
 	aws cloudformation validate-template --template-body file://template.yml

go.mod

@@ -2,10 +2,7 @@ module github.com/kaihendry/days
 
 go 1.21
 
-require (
-	github.com/apex/gateway/v2 v2.0.0
-	github.com/apex/log v1.9.0
-)
+require github.com/apex/gateway/v2 v2.0.0
 
 require (
 	github.com/aws/aws-lambda-go v1.41.0 // indirect

go.sum

@@ -1,91 +1,30 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/apex/gateway/v2 v2.0.0 h1:tJwKiB7ObbXuF3yoqTf/CfmaZRhHB+GfilTNSCf1Wnc=
 github.com/apex/gateway/v2 v2.0.0/go.mod h1:y+uuK0JxdvTHZeVns501/7qklBhnDHtGU0hfUQ6QIfI=
-github.com/apex/log v1.9.0 h1:FHtw/xuaM8AgmvDDTI9fiwoAL25Sq2cxojnZICUU8l0=
-github.com/apex/log v1.9.0/go.mod h1:m82fZlWIuiWzWP04XCTXmnX0xRkYYbCdYn8jbJeLBEA=
-github.com/apex/logs v1.0.0/go.mod h1:XzxuLZ5myVHDy9SAmYpamKKRNApGj54PfYLcFrXqDwo=
-github.com/aphistic/golf v0.0.0-20180712155816-02c07f170c5a/go.mod h1:3NqKYiepwy8kCu4PNA+aP7WUV72eXWJeP9/r3/K9aLE=
-github.com/aphistic/sweet v0.2.0/go.mod h1:fWDlIh/isSE9n6EPsRmC0det+whmX6dJid3stzu0Xys=
 github.com/aws/aws-lambda-go v1.17.0/go.mod h1:FEwgPLE6+8wcGBTe5cJN3JWurd1Ztm9zN4jsXsjzKKw=
-github.com/aws/aws-lambda-go v1.27.0 h1:aLzrJwdyHoF1A18YeVdJjX8Ixkd+bpogdxVInvHcWjM=
-github.com/aws/aws-lambda-go v1.27.0/go.mod h1:jJmlefzPfGnckuHdXX7/80O3BvUUi12XOkbv4w9SGLU=
-github.com/aws/aws-lambda-go v1.28.0 h1:fZiik1PZqW2IyAN4rj+Y0UBaO1IDFlsNo9Zz/XnArK4=
-github.com/aws/aws-lambda-go v1.28.0/go.mod h1:jJmlefzPfGnckuHdXX7/80O3BvUUi12XOkbv4w9SGLU=
 github.com/aws/aws-lambda-go v1.41.0 h1:l/5fyVb6Ud9uYd411xdHZzSf2n86TakxzpvIoz7l+3Y=
 github.com/aws/aws-lambda-go v1.41.0/go.mod h1:jwFe2KmMsHmffA1X2R09hH6lFzJQxzI8qK17ewzbQMM=
-github.com/aws/aws-sdk-go v1.20.6/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
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 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
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-github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
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-github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
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 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
-github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
-github.com/smartystreets/assertions v1.0.0/go.mod h1:kHHU4qYBaI3q23Pp3VPrmWhuIUrLW/7eUrw0BU5VaoM=
-github.com/smartystreets/go-aws-auth v0.0.0-20180515143844-0c1422d1fdb9/go.mod h1:SnhjPscd9TpLiy1LpzGSKh3bXCfxxXuqd9xmQJy3slM=
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 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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 github.com/tj/assert v0.0.3 h1:Df/BlaZ20mq6kuai7f5z2TvPFiwC3xaWJSDQNiIS3Rk=
 github.com/tj/assert v0.0.3/go.mod h1:Ne6X72Q+TB1AteidzQncjw9PabbMp4PBMZ1k+vd1Pvk=
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-github.com/tj/go-kinesis v0.0.0-20171128231115-08b17f58cb1b/go.mod h1:/yhzCV0xPfx6jb1bBgRFjl5lytqVqZXEaeqWP8lTEao=
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 github.com/urfave/cli/v2 v2.1.1/go.mod h1:SE9GqnLQmjVa0iPEY0f1w3ygNIYcIJ0OKPMoW2caLfQ=
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-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20190426145343-a29dc8fdc734/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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-gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20200605160147-a5ece683394c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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main.go

@@ -7,6 +7,7 @@ import (
 	"log/slog"
 	"net/http"
 	"os"
+	"runtime/debug"
 	"time"
 
 	"github.com/apex/gateway/v2"
@@ -15,9 +16,6 @@ import (
 //go:embed templates
 var tmpl embed.FS
 
-// Version from the Makefile shows what version we're running
-var Version string
-
 func days(month time.Time) (days []time.Time) {
 	firstDay := time.Date(month.Year(), month.Month(), 1, 0, 0, 0, 0, time.UTC)
 	monthEnd := firstDay.AddDate(0, 1, -1) // add a month, minus a day
@@ -35,6 +33,9 @@ func getWeekNumber(t time.Time) int {
 }
 
 func main() {
+
+	commit, _ := GitCommit()
+
 	t, err := template.New("base").Funcs(template.FuncMap{"weekNumber": getWeekNumber}).ParseFS(tmpl, "templates/*.html")
 	if err != nil {
 		slog.Error("Failed to parse templates", "error", err)
@@ -61,7 +62,7 @@ func main() {
 			time.Now(),
 			chosenDate,
 			days(chosenDate),
-			Version})
+			commit})
 		if err != nil {
 			http.Error(rw, err.Error(), http.StatusInternalServerError)
 			slog.Error("Failed to execute templates", "error", err)
@@ -78,3 +79,19 @@ func main() {
 	}
 	slog.Error("error listening", "error", err)
 }
+
+func GitCommit() (commit string, dirty bool) {
+	bi, ok := debug.ReadBuildInfo()
+	if !ok {
+		return "", false
+	}
+	for _, setting := range bi.Settings {
+		switch setting.Key {
+		case "vcs.modified":
+			dirty = setting.Value == "true"
+		case "vcs.revision":
+			commit = setting.Value
+		}
+	}
+	return
+}

template.yml

@@ -6,6 +6,8 @@ Parameters:
     Type: String
   ACMCertificateArn:
     Type: String
+  Version:
+    Type: String
 
 Resources:
   # Create log group for Access logs
@@ -46,5 +48,6 @@ Globals:
       LogFormat: JSON
 
 Outputs:
-  GatewayEndPoint:
-    Value: !Sub "https://${Gateway}.execute-api.${AWS::Region}.amazonaws.com/"
+  CNAME:
+    Description: The regional domain name for CNAME value
+    Value: !GetAtt [Gateway.DomainName, RegionalDomainName]