Fixed build issues.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "jmespath-playground",
-  "version": "1.4.1",
+  "version": "1.4.2",
   "description": "A React-based web application for testing JMESPath expressions against JSON data",
   "main": "index.js",
   "scripts": {

scripts/build-image.mjs

@@ -36,6 +36,15 @@ function getContainerTool() {
     }
 }
 
+function isGitRepo() {
+    try {
+        execSync('git rev-parse --is-inside-work-tree', { stdio: 'ignore' });
+        return true;
+    } catch (error) {
+        return false;
+    }
+}
+
 async function generateVersionFile() {
     const versionModuleUrl = pathToFileURL(path.join(__dirname, 'version.mjs')).href;
     const { generateVersionFile: generate } = await import(versionModuleUrl);
@@ -44,6 +53,26 @@ async function generateVersionFile() {
     return versionFilePath;
 }
 
+function writeVersionFile(version, isRelease) {
+    const versionFilePath = path.join(__dirname, '..', 'src', 'version.js');
+    const contents = [
+        `export const VERSION = '${version}';`,
+        `export const IS_RELEASE = ${isRelease};`,
+        ''
+    ].join('\n');
+    fs.writeFileSync(versionFilePath, contents, 'utf8');
+    return versionFilePath;
+}
+
+function readPackageJsonVersion() {
+    const packagePath = path.join(__dirname, '..', 'package.json');
+    const pkg = JSON.parse(fs.readFileSync(packagePath, 'utf8'));
+    if (!pkg.version) {
+        throw new Error('package.json does not contain a version');
+    }
+    return pkg.version;
+}
+
 function readVersionFile(versionFilePath) {
     const contents = fs.readFileSync(versionFilePath, 'utf8');
     const versionMatch = contents.match(/export const VERSION = '([^']+)';/);
@@ -117,8 +146,19 @@ async function main() {
     }
 
     const containerTool = getContainerTool();
-    const versionFilePath = await generateVersionFile();
+    let version;
-    const { version, isRelease } = readVersionFile(versionFilePath);
+    let isRelease;
+
+    if (isGitRepo()) {
+        const versionFilePath = await generateVersionFile();
+        const versionInfo = readVersionFile(versionFilePath);
+        version = versionInfo.version;
+        isRelease = versionInfo.isRelease;
+    } else {
+        version = readPackageJsonVersion();
+        isRelease = true;
+        writeVersionFile(version, isRelease);
+    }
 
     let architectures;
     if (values['all-arch']) {