diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 168e89b..e4b1e31 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,7 +5,9 @@ stages:
   image: alpine:latest
   stage: deploy
   script:
-    - chmod +x ./package.sh && ./package.sh
+    - chmod +x ./.devcontainer/initialize.sh
+    - ./.devcontainer/initialize.sh
+    - go run ./release.go
   artifacts:
     expire_in: 1 week
 
@@ -18,4 +20,4 @@ timer:
   rules:
     - if: $CI_PIPELINE_SOURCE == "schedule"
       when: manual    
-  <<: *build
+  <<: *build
\ No newline at end of file
diff --git a/package.sh b/package.sh
deleted file mode 100755
index 421bafa..0000000
--- a/package.sh
+++ /dev/null
@@ -1,131 +0,0 @@
-apk add curl git git-lfs icu-data-full jq npm uuidgen sed >/dev/null
-git config --global http.sslVerify false
-git config --global advice.detachedHead false
-
-Repo_Process() {
-  # Prepare Variables
-  local UUID=$(uuidgen)
-  local WORK_ROOT=$1
-  local REPO_SETTING=$2
-  local ADDR=$(echo $REPO_SETTING | jq -r '.addr')
-  local DIR=$(echo $REPO_SETTING | jq -r '.dir')
-  local TAG_REGEX=$(echo $REPO_SETTING | jq -r '.tagRegex')
-  local IGNORE_REPO=$(echo $REPO_SETTING | jq -r '.ignore')
-
-  local REPO_NAME=$(basename $ADDR | sed 's/\.[^\.]*$//')
-  local AUTHOR_NAME=$(echo "$ADDR" | awk -F[/:] '{print $(NF-1)}')
-  local PACKAGE_NAME=$(basename $DIR)
-
-  local PACKAGE_ROOT="$WORK_ROOT/$REPO_NAME-$UUID"
-  local PACKAGE_DIR="$WORK_ROOT/$REPO_NAME-$UUID/$DIR"
-
-  # Check if ignore
-  if [[ "$IGNORE_REPO" == "true" ]]; then
-    return
-  fi
-
-  if [[ "$TAG_REGEX" == null ]]; then
-    local TAG_REGEX="^[0-9]+\.[0-9]+\.[0-9]+$"
-  fi
-
-  if [[ "$DIR" == null ]]; then
-    local DIR="."
-  fi
-
-  # Download latest version
-  cd $WORK_ROOT
-  git clone $ADDR $REPO_NAME-$UUID >/dev/null 2>&1
-  cd $PACKAGE_ROOT
-
-  local TAGS=$(git tag -l --sort authordate)
-
-  # Tag Process
-  for TAG in $TAGS; do
-
-    # Check if tag is valid
-    if [[ ! $TAG =~ $TAG_REGEX ]]; then
-      echo "$REPO_NAME:$DIR@$TAG is invalid tag."
-      continue
-    fi
-
-    # Prepare Variables
-    local GITHUB_PACKAGE_ADDR="https://raw.githubusercontent.com/${AUTHOR_NAME}/${REPO_NAME}/${TAG}/${DIR}/package.json"
-
-    # 404 Check
-    local GITHUB_STAT=$(curl -sL $GITHUB_PACKAGE_ADDR -o /dev/null -w '%{http_code}\n')
-    if [[ "$GITHUB_STAT" != "200" ]]; then
-      echo "$REPO_NAME:$DIR@$TAG has invalid path."
-      continue
-    fi
-
-    local PACKAGE_JSON=$(curl -sL $GITHUB_PACKAGE_ADDR)
-    local GITHUB_NAME=$(echo "$PACKAGE_JSON" | jq -r .name)
-    local SEM_VERSION=$(echo "$TAG" | grep -Eo '[0-9]+\.[0-9]+\.[0-9]+')
-
-    # Get Server tag
-    local SVR_STAT=$(curl -sL https://$NPM_REGISTRY/$GITHUB_NAME -o /dev/null -w '%{http_code}\n')
-    local SVR_VERS=""
-    if [[ "$SVR_STAT" == "200" ]]; then
-      local SVR_DATA=$(curl -sL https://$NPM_REGISTRY/$GITHUB_NAME)
-      local SVR_VERS=$(echo $SVR_DATA | jq .versions | jq -s -r '[ .[] | keys ] | flatten | unique | .[]')
-    fi
-
-    # Check server version
-    local EXIST_ON_SVR="false"
-    for SVR_VER in $SVR_VERS; do
-      if [[ "$SVR_VER" == "$SEM_VERSION" ]]; then
-        local EXIST_ON_SVR="true"
-        break
-      fi
-    done
-    if [[ "$EXIST_ON_SVR" == "true" ]]; then
-      echo "$REPO_NAME:$DIR@$TAG is already published."
-      continue
-    fi
-
-    # Download Repository
-    cd $WORK_ROOT
-    rm -r $PACKAGE_ROOT
-    git clone -b $TAG $ADDR $REPO_NAME-$UUID >/dev/null 2>&1
-    cd $PACKAGE_ROOT
-    git submodule update --init --recursive >/dev/null 2>&1
-    git lfs pull >/dev/null 2>&1
-
-    cd $PACKAGE_DIR
-
-    # Change Version
-    local PROCESS_VER='.version="'$SEM_VERSION'"'
-    local PACKAGE_JSON=$(echo "$PACKAGE_JSON" | jq "$PROCESS_VER" | jq -c .)
-
-    # Update package.json
-    rm package.json
-    echo $PACKAGE_JSON >package.json
-
-    # Publish Package
-    local DATA='{"name":"'"$NPM_USER"'", "password":"'"$NPM_PASS"'"}'
-    local USER="$NPM_USER":"$NPM_PASS"
-    local RETURN=$(curl -sL -H "Accept:application/json" -H "Content-Type:application/json" -X PUT --data "$DATA" --user "$USER" https://$NPM_REGISTRY/-/user/org.couchdb.user:$NPM_USER)
-    local TOKEN=$(echo $RETURN | jq '.token')
-    npm set //$NPM_REGISTRY/:_authToken $TOKEN
-    npm publish --registry https://$NPM_REGISTRY/ >/dev/null 2>&1
-
-    if [[ $? -ne 0 ]]; then
-      echo "$REPO_NAME:$DIR@$TAG failed to publish."
-    else
-      echo "$REPO_NAME:$DIR@$TAG published."
-    fi
-
-  done
-
-  cd $WORK_ROOT
-  rm -r $PACKAGE_ROOT
-}
-
-JSON_FILES=$(find ./repos -name "*.json")
-for JSON_FILE in $JSON_FILES; do
-  ROOT=$(pwd)
-  OBJ=$(cat $JSON_FILE | jq -c .)
-  Repo_Process "$ROOT" "$OBJ" &
-done
-
-wait
diff --git a/release.go b/release.go
new file mode 100644
index 0000000..b8a9fe3
--- /dev/null
+++ b/release.go
@@ -0,0 +1,402 @@
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"regexp"
+	"sort"
+	"strconv"
+	"strings"
+	"sync"
+
+	"github.com/google/uuid"
+	"github.com/joho/godotenv"
+)
+
+type RepoType int
+
+const (
+	Unknown RepoType = iota
+	GitHub
+	GitLab
+	BitBucket
+)
+
+type RepoSetting struct {
+	Addr     string `json:"addr"`
+	Dir      string `json:"dir"`
+	TagRegex string `json:"tagRegex"`
+}
+
+// RepoType と ドメインのマッピング
+var repoTypeMap = map[RepoType]string{
+	GitHub: "https://raw.githubusercontent.com",
+}
+
+func main() {
+	godotenv.Load(".env")
+	npmUser := os.Getenv("NPM_USER")
+	npmPass := os.Getenv("NPM_PASS")
+	npmRegistry := os.Getenv("NPM_REGISTRY")
+	isDevMode := os.Getenv("DEV_MODE") == "true"
+
+	jsonFiles, _ := filepath.Glob("./repos/*.json")
+
+	token, err := getNpmAuthToken(npmRegistry, npmUser, npmPass)
+	if err != nil {
+		fmt.Printf("[Error] NPM Auth Failed. %s\n", err)
+		return
+	}
+
+	var wg sync.WaitGroup
+	for _, jsonFile := range jsonFiles {
+		root, err := os.Getwd()
+		if err != nil {
+			fmt.Printf("[Error] Root Directory Get Failed. %s\n", err)
+			continue
+		}
+		fileContent, err := os.ReadFile(jsonFile)
+		if err != nil {
+			fmt.Printf("[Error] File Read Failed. %s\n", err)
+			continue
+		}
+		var repoSetting RepoSetting
+		if err := json.Unmarshal(fileContent, &repoSetting); err != nil {
+			fmt.Printf("[Error] JSON Parse Failed. %s\n", err)
+			continue
+		}
+		wg.Add(1)
+		go processRepository(root, repoSetting, token, npmRegistry, &wg, isDevMode)
+	}
+	wg.Wait()
+}
+
+func processRepository(workRoot string, repoSetting RepoSetting, npmToken, npmRegistry string, wg *sync.WaitGroup, devMode bool) {
+	defer wg.Done()
+
+	// 変数の準備
+	uuid := uuid.New().String()
+	addr := repoSetting.Addr
+	dir := repoSetting.Dir
+	tagRegex := repoSetting.TagRegex
+
+	repositoryName := strings.TrimSuffix(filepath.Base(addr), filepath.Ext(addr))
+	repositoryAuthor := strings.Split(addr, "/")[len(strings.Split(addr, "/"))-2]
+
+	repositoryDirName := fmt.Sprintf("_target_%s-%s", repositoryName, uuid)
+	repositoryRoot := filepath.Join(workRoot, repositoryDirName)
+	packageRoot := filepath.Join(repositoryRoot, dir)
+
+	var npmVersions map[string][]string = make(map[string][]string)
+
+	var repositoryType RepoType = Unknown
+	if strings.HasPrefix(addr, "https://github.com/") {
+		repositoryType = GitHub
+	}
+
+	if tagRegex == "" {
+		tagRegex = "^[0-9]+\\.[0-9]+\\.[0-9]+$"
+	}
+
+	if dir == "" {
+		dir = "."
+	}
+
+	// Tagの確認
+	remoteTags, err := getRemoteTags(addr)
+	if err != nil {
+		fmt.Printf("[Error] Invalid Repository. %s\n", addr)
+		return
+	}
+
+	var validTags []string
+
+	// 有効なTagのみを抽出
+	for _, tag := range remoteTags {
+		matched, _ := regexp.MatchString(tagRegex, tag)
+		if !matched {
+			fmt.Printf("[Warn] Invalid Tag. %s:%s@%s\n", repositoryName, dir, tag)
+		} else {
+			validTags = append(validTags, tag)
+		}
+	}
+
+	var unpublishedTags []string
+	tagChan := make(chan string)
+
+	// 非同期に未アップロードのタグを抽出
+	for _, tag := range validTags {
+		go func(tag string) {
+			repositoryJSON, err := getPackageJson(repositoryType, repositoryAuthor, repositoryName, tag, dir)
+			if err != nil {
+				fmt.Printf("[Warn] Invalid Path. %s:%s@%s\n", repositoryName, dir, tag)
+				tagChan <- ""
+				return
+			}
+
+			packageName := repositoryJSON["name"].(string)
+			packageVersion := regexp.MustCompile(`[0-9]+\.[0-9]+\.[0-9]+`).FindString(tag)
+
+			if npmVersions[packageName] == nil {
+				npmVersions[packageName], err = getNpmTags("https://"+npmRegistry, packageName)
+				if err != nil {
+					fmt.Printf("[Warn] Invalid Repository. %s\n", err)
+					// 未アップロードなだけなのでエラーとしない
+				}
+			}
+
+			// サーバーに存在するか確認
+			existOnServer := false
+			for _, npmVersion := range npmVersions[packageName] {
+				if npmVersion == packageVersion {
+					existOnServer = true
+					break
+				}
+			}
+
+			if existOnServer {
+				fmt.Printf("[Info] Already Published. %s:%s@%s\n", repositoryName, dir, tag)
+				tagChan <- ""
+			} else {
+				tagChan <- tag
+			}
+		}(tag)
+	}
+
+	// チャネルから結果を受け取る
+	for range validTags {
+		tag := <-tagChan
+		if tag != "" {
+			unpublishedTags = append(unpublishedTags, tag)
+		}
+	}
+
+	unpublishedTags = sortTags(unpublishedTags)
+
+	// 未アップロードのパッケージを処理
+	for _, tag := range unpublishedTags {
+
+		if err := os.Chdir(workRoot); err != nil {
+			fmt.Printf("[Error] Work Directory Change Failed. %s\n", err)
+			continue
+		}
+
+		// repositoryDirName ディレクトリが無ければtagタグをClone, あればtagタグをチェックアウト
+		if _, err := os.Stat(repositoryRoot); os.IsNotExist(err) {
+			if err := exec.Command("git", "clone", "-b", tag, addr, repositoryDirName).Run(); err != nil {
+				fmt.Printf("[Error] clone failed. %s\n", err)
+				continue
+			}
+			if err := os.Chdir(repositoryRoot); err != nil {
+				fmt.Printf("[Error] directory change failed. %s\n", err)
+				continue
+			}
+		} else {
+			if err := os.Chdir(repositoryRoot); err != nil {
+				fmt.Printf("[Error] directory change failed. %s\n", err)
+				continue
+			}
+			if err := exec.Command("git", "checkout", tag).Run(); err != nil {
+				fmt.Printf("[Error] checkout failed. %s\n", err)
+				continue
+			}
+		}
+
+		if err := exec.Command("git", "submodule", "update", "--init", "--recursive").Run(); err != nil {
+			fmt.Printf("[Error] submodule update failed. %s\n", err)
+			continue
+		}
+		if err := exec.Command("git", "lfs", "pull").Run(); err != nil {
+			fmt.Printf("[Error] lfs pull failed. %s\n", err)
+			continue
+		}
+
+		if err := os.Chdir(packageRoot); err != nil {
+			fmt.Printf("[Error] directory change failed. %s\n", err)
+			continue
+		}
+
+		// パッケージのアップロード
+		if err := exec.Command("npm", "set", fmt.Sprintf("//%s/:_authToken", npmRegistry), npmToken).Run(); err != nil {
+			fmt.Printf("[Error] npm auth failed. %s\n", err)
+			continue
+		}
+		if !devMode {
+			if err := exec.Command("npm", "publish", "--registry", fmt.Sprintf("https://%s/", npmRegistry)).Run(); err != nil {
+				fmt.Printf("%s:%s@%s failed to publish. %s\n", repositoryName, dir, tag, err)
+			} else {
+				fmt.Printf("%s:%s@%s published.\n", repositoryName, dir, tag)
+			}
+		} else {
+			fmt.Printf("%s:%s@%s dummy published.\n", repositoryName, dir, tag)
+		}
+	}
+
+	// 作業ディレクトリの削除
+	if err := os.Chdir(workRoot); err != nil {
+		fmt.Printf("[Error] Work Directory Change Failed. %s\n", err)
+	}
+	if err := os.RemoveAll(repositoryRoot); err != nil {
+		fmt.Printf("[Error] Work Directory Remove Failed. %s\n", err)
+	}
+}
+
+// タグをソートする関数です。
+func sortTags(tags []string) []string {
+	sort.Slice(tags, func(i, j int) bool {
+		versionI := strings.Split(tags[i], ".")
+		versionJ := strings.Split(tags[j], ".")
+
+		for k := 0; k < len(versionI) && k < len(versionJ); k++ {
+			numI, _ := strconv.Atoi(versionI[k])
+			numJ, _ := strconv.Atoi(versionJ[k])
+			if numI != numJ {
+				return numI < numJ
+			}
+		}
+		return len(versionI) < len(versionJ)
+	})
+
+	return tags
+}
+
+// 指定されたリポジトリのタグ一覧を取得する関数です。
+func getRemoteTags(repoAddr string) ([]string, error) {
+	// git ls-remote --tags コマンドを実行
+	cmd := exec.Command("git", "ls-remote", "--tags", repoAddr)
+	out, err := cmd.Output()
+	if err != nil {
+		return nil, err
+	}
+
+	// 出力をパースしてタグを抽出
+	lines := strings.Split(string(out), "\n")
+	var tags []string
+	for _, line := range lines {
+		if line == "" {
+			continue
+		}
+		parts := strings.Split(line, "\t")
+		if len(parts) < 2 {
+			continue
+		}
+		tag := strings.Replace(parts[1], "refs/tags/", "", 1)
+		tags = append(tags, tag)
+	}
+
+	return tags, nil
+}
+
+// 指定された npm レジストリとパッケージ名を使用して、npm パッケージのタグ一覧を取得する関数です。
+func getNpmTags(npmRepo string, packageName string) ([]string, error) {
+	var url = fmt.Sprintf("%s/%s", npmRepo, packageName)
+
+	// HTTP GET リクエストを送信
+	resp, err := http.Get(url)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	// レスポンスのボディを読み取る
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	// JSONをパースしてmapに変換
+	var result map[string]interface{}
+	if err := json.Unmarshal(body, &result); err != nil {
+		return nil, err
+	}
+
+	if result["versions"] == nil {
+		return nil, fmt.Errorf("versions not found")
+	}
+
+	// バージョン情報一覧を取得
+	var versions []string
+	for version := range result["versions"].(map[string]interface{}) {
+		versions = append(versions, version)
+	}
+
+	return versions, nil
+}
+
+// 指定されたリポジトリの package.json を取得する関数です。
+func getPackageJson(repoType RepoType, author string, repository string, tag string, dir string) (map[string]interface{}, error) {
+	var url = fmt.Sprintf("%s/%s/%s/%s/%s/package.json", repoTypeMap[repoType], author, repository, tag, dir)
+
+	// HTTP GET リクエストを送信
+	resp, err := http.Get(url)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	// レスポンスのボディを読み取る
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	// JSONをパースしてmapに変換
+	var result map[string]interface{}
+	if err := json.Unmarshal(body, &result); err != nil {
+		return nil, err
+	}
+
+	return result, nil
+}
+
+// 指定された npm レジストリ、ユーザー名、およびパスワードを使用してnpm 認証トークンを取得する関数です。
+func getNpmAuthToken(npmRegistry, npmUser, npmPass string) (string, error) {
+	data := map[string]string{
+		"name":     npmUser,
+		"password": npmPass,
+	}
+	jsonData, err := json.Marshal(data)
+	if err != nil {
+		return "", err
+	}
+
+	req, err := http.NewRequest("PUT", fmt.Sprintf("https://%s/-/user/org.couchdb.user:%s", npmRegistry, npmUser), bytes.NewBuffer(jsonData))
+	if err != nil {
+		return "", err
+	}
+	req.Header.Set("Accept", "application/json")
+	req.Header.Set("Content-Type", "application/json")
+	req.SetBasicAuth(npmUser, npmPass)
+
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusCreated {
+		return "", fmt.Errorf("failed to get token, status code: %d", resp.StatusCode)
+	}
+
+	body, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+
+	var returnData map[string]interface{}
+	if err := json.Unmarshal(body, &returnData); err != nil {
+		return "", err
+	}
+	token, ok := returnData["token"].(string)
+	if !ok {
+		return "", fmt.Errorf("token not found in response")
+	}
+	return token, nil
+}