add nightly to version number

dockerfile

@@ -1,5 +1,5 @@
 # DON'T UPDATE TO alpine3.13, 1.14, see #41.
-FROM node:14-alpine3.12
+FROM node:14-alpine3.12 AS release
 WORKDIR /app
 
 # split the sqlite install here, so that it can caches the arm prebuilt
@@ -33,3 +33,5 @@ EXPOSE 3001
 VOLUME ["/app/data"]
 CMD ["npm", "run", "start-server"]
 
+FROM release AS nightly
+RUN npm run mark-as-nightly

extra/mark-as-nightly.js

@@ -0,0 +1,39 @@
+/**
+ * String.prototype.replaceAll() polyfill
+ * https://gomakethings.com/how-to-replace-a-section-of-a-string-with-another-one-with-vanilla-js/
+ * @author Chris Ferdinandi
+ * @license MIT
+ */
+if (!String.prototype.replaceAll) {
+    String.prototype.replaceAll = function(str, newStr){
+
+        // If a regex pattern
+        if (Object.prototype.toString.call(str).toLowerCase() === '[object regexp]') {
+            return this.replace(str, newStr);
+        }
+
+        // If a string
+        return this.replace(new RegExp(str, 'g'), newStr);
+
+    };
+}
+
+const pkg = require('../package.json');
+const fs = require("fs");
+const oldVersion = pkg.version
+const newVersion = oldVersion + "-nightly"
+
+console.log("Old Version: " + oldVersion)
+console.log("New Version: " + newVersion)
+
+if (newVersion) {
+    // Process package.json
+    pkg.version = newVersion
+    pkg.scripts.setup = pkg.scripts.setup.replaceAll(oldVersion, newVersion)
+    pkg.scripts["build-docker"] = pkg.scripts["build-docker"].replaceAll(oldVersion, newVersion)
+    fs.writeFileSync("package.json", JSON.stringify(pkg, null, 4) + "\n")
+
+    // Process README.md
+   fs.writeFileSync("README.md", fs.readFileSync("README.md", 'utf8').replaceAll(oldVersion, newVersion))
+}
+

package.json

@@ -7,10 +7,11 @@
         "update": "",
         "build": "vite build",
         "vite-preview-dist": "vite preview --host",
-        "build-docker": "docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma -t louislam/uptime-kuma:1 -t louislam/uptime-kuma:1.0.4 . --push",
-        "build-docker-nightly": "docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma:nightly . --push",
+        "build-docker": "docker buildx build --platform linux/amd64,linux/arm64,linux/arm/v7 -t louislam/uptime-kuma -t louislam/uptime-kuma:1 -t louislam/uptime-kuma:1.0.4 --target release . --push",
+        "build-docker-nightly": "docker buildx build --platform linux/amd64 -t louislam/uptime-kuma:nightly --target nightly . --push",
         "setup": "git checkout 1.0.4 && npm install && npm run build",
-        "version-global-replace": "node extra/version-global-replace.js"
+        "version-global-replace": "node extra/version-global-replace.js",
+        "mark-as-nightly": "node extra/mark-as-nightly.js"
     },
     "dependencies": {
         "@popperjs/core": "^2.9.2",