diff --git a/cmd/cmd/publish/architecture.go b/cmd/cmd/publish/architecture.go
index 76a64aa7..a2e6f6af 100644
--- a/cmd/cmd/publish/architecture.go
+++ b/cmd/cmd/publish/architecture.go
@@ -4,21 +4,22 @@ import (
 	"encoding/json"
 	"fmt"
 	"log"
+	"net/url"
 	"os"
 	"path"
 	"strings"
 )
 
 type Architecture struct {
-	Protocols           []string     `json:"protocols"`
-	OS                  string       `json:"os"`
-	Arch                string       `json:"arch"`
-	FileName            string       `json:"filename"`
-	DownloadUrl         string       `json:"download_url"`
-	ShaSumsUrl          string       `json:"shasums_url"`
-	ShaSumsSignatureUrl string       `json:"shasums_signature_url"`
-	ShaSum              string       `json:"shasum"`
-	SigningKeys         []SigningKey `json:"signing_keys"`
+	Protocols           []string   `json:"protocols"`
+	OS                  string     `json:"os"`
+	Arch                string     `json:"arch"`
+	FileName            string     `json:"filename"`
+	DownloadUrl         string     `json:"download_url"`
+	ShaSumsUrl          string     `json:"shasums_url"`
+	ShaSumsSignatureUrl string     `json:"shasums_signature_url"`
+	ShaSum              string     `json:"shasum"`
+	SigningKeys         SigningKey `json:"signing_keys"`
 }
 
 type SigningKey struct {
@@ -46,14 +47,23 @@ func (p *Provider) CreateArchitectureFiles() error {
 	pathPrefix := path.Join("release", prefix)
 
 	// urlPrefix := fmt.Sprintf("https://%s/%s", domain, prefix)
-	urlPrefix := path.Join("https://", p.Domain, prefix)
+	urlPrefix, err := url.JoinPath("https://", p.Domain, prefix)
+	if err != nil {
+		return fmt.Errorf("error creating base url: %w", err)
+	}
 
 	// download url = https://example.com/v1/providers/namespace/provider/0.0.1/download/terraform-provider_0.0.1_darwin_amd64.zip
-	downloadUrlPrefix := path.Join(urlPrefix, "download")
+	downloadUrlPrefix, err := url.JoinPath(urlPrefix, "download")
+	if err != nil {
+		return fmt.Errorf("error crearting download url: %w", err)
+	}
 	downloadPathPrefix := path.Join(pathPrefix, "download")
 
 	// shasums url = https://example.com/v1/providers/namespace/provider/0.0.1/terraform-provider_0.0.1_SHA256SUMS
-	shasumsUrl := path.Join(urlPrefix, fmt.Sprintf("%s_%s_SHA256SUMS", p.RepoName, p.Version))
+	shasumsUrl, err := url.JoinPath(urlPrefix, fmt.Sprintf("%s_%s_SHA256SUMS", p.RepoName, p.Version))
+	if err != nil {
+		return fmt.Errorf("error creating shasums url: %w", err)
+	}
 	// shasums_signature_url = https://example.com/v1/providers/namespace/provider/0.0.1/terraform-provider_0.0.1_SHA256SUMS.sig
 	shasumsSigUrl := shasumsUrl + ".sig"
 
@@ -67,7 +77,10 @@ func (p *Provider) CreateArchitectureFiles() error {
 		return err
 	}
 	for _, sum := range shaSums {
-		downloadUrl := path.Join(downloadUrlPrefix, sum.Path)
+		downloadUrl, err := url.JoinPath(downloadUrlPrefix, sum.Path)
+		if err != nil {
+			return fmt.Errorf("error creating url: %w", err)
+		}
 
 		// get os and arch from filename
 		removeFileExtension := strings.Split(sum.Path, ".zip")
@@ -89,23 +102,20 @@ func (p *Provider) CreateArchitectureFiles() error {
 			ShaSumsUrl:          shasumsUrl,
 			ShaSumsSignatureUrl: shasumsSigUrl,
 			ShaSum:              sum.Sum,
-			SigningKeys:         []SigningKey{},
+			SigningKeys:         SigningKey{},
 		}
 
-		a.SigningKeys = append(
-			a.SigningKeys,
-			SigningKey{
-				GpgPublicKeys: []GpgPublicKey{
-					{
-						KeyId:          p.GpgFingerprint,
-						AsciiArmor:     gpgAsciiPub,
-						TrustSignature: "",
-						Source:         "",
-						SourceUrl:      "",
-					},
+		a.SigningKeys = SigningKey{
+			GpgPublicKeys: []GpgPublicKey{
+				{
+					KeyId:          p.GpgFingerprint,
+					AsciiArmor:     gpgAsciiPub,
+					TrustSignature: "",
+					Source:         "",
+					SourceUrl:      "",
 				},
 			},
-		)
+		}
 		//		var architectureTemplate = []byte(fmt.Sprintf(`
 		//{
 		//  "protocols": [
@@ -136,7 +146,7 @@ func (p *Provider) CreateArchitectureFiles() error {
 
 		log.Printf("  - Arch file: %s", archFileName)
 
-		err := WriteArchitectureFile(archFileName, a)
+		err = WriteArchitectureFile(archFileName, a)
 		if err != nil {
 			return err
 		}