diff --git a/.devcontainer/README.md b/.devcontainer/README.md
index 4a34b2115..81b8b0fa0 100644
--- a/.devcontainer/README.md
+++ b/.devcontainer/README.md
@@ -6,7 +6,7 @@ You can modifiy Uptime Kuma in your browser without setting up a local developme
 
 1. Click `Code` -> `Create codespace on master`
 2. Wait a few minutes until you see there are two exposed ports
-3. Go to the `3000` url, see if it is working 
+3. Go to the `3000` url, see if it is working
 
 ![image](https://github.com/louislam/uptime-kuma/assets/1336778/909b2eb4-4c5e-44e4-ac26-6d20ed856e7f)
 
diff --git a/.github/ISSUE_TEMPLATE/security.md b/.github/ISSUE_TEMPLATE/security.md
index 26450ed3a..708670e85 100644
--- a/.github/ISSUE_TEMPLATE/security.md
+++ b/.github/ISSUE_TEMPLATE/security.md
@@ -12,8 +12,6 @@ labels:
 
 DO NOT PROVIDE ANY DETAILS HERE. Please privately report to https://github.com/louislam/uptime-kuma/security/advisories/new.
 
-
 Why need this issue? It is because GitHub Advisory do not send a notification to @louislam, it is a workaround to do so.
 
 Your GitHub Advisory URL:
-
diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index 87e7f5ff7..6a217143d 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -1,7 +1,7 @@
 ⚠️⚠️⚠️ Since we do not accept all types of pull requests and do not want to waste your time. Please be sure that you have read pull request rules:
 https://github.com/louislam/uptime-kuma/blob/master/CONTRIBUTING.md#can-i-create-a-pull-request-for-uptime-kuma
 
-Tick the checkbox if you understand [x]: 
+Tick the checkbox if you understand [x]:
 - [ ] I have read and understand the pull request rules.
 
 # Description
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index af3fff0e4..f253cff04 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -34,24 +34,27 @@ Yes or no, it depends on what you will try to do. Since I don't want to waste yo
 
 Here are some references:
 
-### ✅ Usually accepted:
+### ✅ Usually accepted
+
 - Bug fix
 - Security fix
 - Adding notification providers
 - Adding new language files (see [these instructions](https://github.com/louislam/uptime-kuma/blob/master/src/lang/README.md))
 - Adding new language keys: `$t("...")`
 
-### ⚠️ Discussion required:
+### ⚠️ Discussion required
+
 - Large pull requests
 - New features
 
-### ❌ Won't be merged:
+### ❌ Won't be merged
+
 - A dedicated PR for translating existing languages (see [these instructions](https://github.com/louislam/uptime-kuma/blob/master/src/lang/README.md))
 - Do not pass the auto-test
 - Any breaking changes
 - Duplicated pull requests
 - Buggy
-- UI/UX is not close to Uptime Kuma 
+- UI/UX is not close to Uptime Kuma
 - Modifications or deletions of existing logic without a valid reason.
 - Adding functions that is completely out of scope
 - Converting existing code into other programming languages
@@ -65,7 +68,6 @@ I will assign your pull request to a [milestone](https://github.com/louislam/upt
 
 Also, please don't rush or ask for an ETA, because I have to understand the pull request, make sure it is no breaking changes and stick to my vision of this project, especially for large pull requests.
 
-
 ### Recommended Pull Request Guideline
 
 Before deep into coding, discussion first is preferred. Creating an empty pull request for discussion would be recommended.
@@ -114,7 +116,7 @@ I personally do not like something that requires so many configurations before y
 
 ### GitHub Codespace
 
-If you don't want to setup an local environment, you can now develop on GitHub Codespace, read more: 
+If you don't want to setup an local environment, you can now develop on GitHub Codespace, read more:
 
 https://github.com/louislam/uptime-kuma/tree/master/.devcontainer
 
@@ -143,7 +145,8 @@ npm run dev
 ```
 
 But sometimes, you would like to restart the server, but not the frontend, you can run these commands in two terminals:
-```
+
+```bash
 npm run start-frontend-dev
 npm run start-server-dev
 ```
@@ -152,15 +155,14 @@ npm run start-server-dev
 
 It binds to `0.0.0.0:3001` by default.
 
-
 It is mainly a socket.io app + express.js.
 
-express.js is used for: 
+express.js is used for:
+
 - entry point such as redirecting to a status page or the dashboard
 - serving the frontend built files (index.html, .js and .css etc.)
 - serving internal APIs of the status page
 
-
 ### Structure in /server/
 
 - jobs/ (Jobs that are running in another process)
@@ -175,9 +177,9 @@ express.js is used for:
 
 ## Frontend Dev Server
 
-It binds to `0.0.0.0:3000` by default. The frontend dev server is used for development only. 
+It binds to `0.0.0.0:3000` by default. The frontend dev server is used for development only.
 
-For production, it is not used. It will be compiled to `dist` directory instead. 
+For production, it is not used. It will be compiled to `dist` directory instead.
 
 You can use Vue.js devtools Chrome extension for debugging.
 
@@ -231,7 +233,7 @@ If for security / bug / other reasons, a library must be updated, breaking chang
 
 Please add **all** the strings which are translatable to `src/lang/en.json` (If translation keys are omitted, they can not be translated).
 
-**Don't include any other languages in your initial Pull-Request** (even if this is your mother tongue), to avoid merge-conflicts between weblate and `master`.  
+**Don't include any other languages in your initial Pull-Request** (even if this is your mother tongue), to avoid merge-conflicts between weblate and `master`.
 The translations can then (after merging a PR into `master`) be translated by awesome people donating their language skills.
 
 If you want to help by translating Uptime Kuma into your language, please visit the [instructions on how to translate using weblate](https://github.com/louislam/uptime-kuma/blob/master/src/lang/README.md).
@@ -249,7 +251,7 @@ https://github.com/louislam/uptime-kuma-wiki
 
 ## Docker
 
-#### Arch
+### Arch
 
 - amd64
 - arm64
@@ -293,12 +295,12 @@ https://github.com/louislam/uptime-kuma/issues?q=sort%3Aupdated-desc
 1. Draft a release note
 2. Make sure the repo is cleared
 3. If the healthcheck is updated, remember to re-compile it: `npm run build-docker-builder-go`
-3. `npm run release-final` with env vars: `VERSION` and `GITHUB_TOKEN`
-4. Wait until the `Press any key to continue`
-5. `git push`
-6. Publish the release note as 1.X.X 
-7. Press any key to continue
-8. Deploy to the demo server: `npm run deploy-demo-server`
+4. `npm run release-final` with env vars: `VERSION` and `GITHUB_TOKEN`
+5. Wait until the `Press any key to continue`
+6. `git push`
+7. Publish the release note as 1.X.X
+8. Press any key to continue
+9. Deploy to the demo server: `npm run deploy-demo-server`
 
 Checking:
 
@@ -336,6 +338,6 @@ git push production master
 
 Change the base of a pull request such as `master` to `1.23.X`
 
-```
+```bash
 git rebase --onto <new parent> <old parent>
 ```
diff --git a/README.md b/README.md
index 28840d8ac..12db07a03 100644
--- a/README.md
+++ b/README.md
@@ -23,17 +23,17 @@ It is a temporary live demo, all data will be deleted after 10 minutes. Use the
 
 ## ⭐ Features
 
-* Monitoring uptime for HTTP(s) / TCP / HTTP(s) Keyword / HTTP(s) Json Query / Ping / DNS Record / Push / Steam Game Server / Docker Containers
-* Fancy, Reactive, Fast UI/UX
-* Notifications via Telegram, Discord, Gotify, Slack, Pushover, Email (SMTP), and [90+ notification services, click here for the full list](https://github.com/louislam/uptime-kuma/tree/master/src/components/notifications)
-* 20-second intervals
-* [Multi Languages](https://github.com/louislam/uptime-kuma/tree/master/src/lang)
-* Multiple status pages
-* Map status pages to specific domains
-* Ping chart
-* Certificate info
-* Proxy support
-* 2FA support
+- Monitoring uptime for HTTP(s) / TCP / HTTP(s) Keyword / HTTP(s) Json Query / Ping / DNS Record / Push / Steam Game Server / Docker Containers
+- Fancy, Reactive, Fast UI/UX
+- Notifications via Telegram, Discord, Gotify, Slack, Pushover, Email (SMTP), and [90+ notification services, click here for the full list](https://github.com/louislam/uptime-kuma/tree/master/src/components/notifications)
+- 20-second intervals
+- [Multi Languages](https://github.com/louislam/uptime-kuma/tree/master/src/lang)
+- Multiple status pages
+- Map status pages to specific domains
+- Ping chart
+- Certificate info
+- Proxy support
+- 2FA support
 
 ## 🔧 How to Install
 
@@ -50,6 +50,7 @@ Uptime Kuma is now running on http://localhost:3001
 ### 💪🏻 Non-Docker
 
 Requirements:
+
 - Platform
   - ✅ Major Linux distros such as Debian, Ubuntu, CentOS, Fedora and ArchLinux etc.
   - ✅ Windows 10 (x64), Windows Server 2012 R2 (x64) or higher
@@ -76,9 +77,8 @@ npm install pm2 -g && pm2 install pm2-logrotate
 
 # Start Server
 pm2 start server/server.js --name uptime-kuma
-
-
 ```
+
 Uptime Kuma is now running on http://localhost:3001
 
 More useful PM2 Commands
@@ -143,12 +143,12 @@ Telegram Notification Sample:
 
 ## Motivation
 
-* I was looking for a self-hosted monitoring tool like "Uptime Robot", but it is hard to find a suitable one. One of the close ones is statping. Unfortunately, it is not stable and no longer maintained.
-* Want to build a fancy UI.
-* Learn Vue 3 and vite.js.
-* Show the power of Bootstrap 5.
-* Try to use WebSocket with SPA instead of REST API.
-* Deploy my first Docker image to Docker Hub.
+- I was looking for a self-hosted monitoring tool like "Uptime Robot", but it is hard to find a suitable one. One of the close ones is statping. Unfortunately, it is not stable and no longer maintained.
+- Want to build a fancy UI.
+- Learn Vue 3 and vite.js.
+- Show the power of Bootstrap 5.
+- Try to use WebSocket with SPA instead of REST API.
+- Deploy my first Docker image to Docker Hub.
 
 If you love this project, please consider giving me a ⭐.
 
@@ -161,10 +161,9 @@ I recommend using Google, GitHub Issues, or Uptime Kuma's Subreddit for finding
 - [GitHub Issues](https://github.com/louislam/uptime-kuma/issues)
 - [Subreddit r/Uptime kuma](https://www.reddit.com/r/UptimeKuma/)
 
-My Reddit account: [u/louislamlam](https://reddit.com/u/louislamlam).  
+My Reddit account: [u/louislamlam](https://reddit.com/u/louislamlam).
 You can mention me if you ask a question on Reddit.
 
-
 ## Contribute
 
 ### Test Pull Requests
@@ -179,9 +178,11 @@ https://github.com/louislam/uptime-kuma/wiki/Test-Pull-Requests
 Check out the latest beta release here: https://github.com/louislam/uptime-kuma/releases
 
 ### Bug Reports / Feature Requests
+
 If you want to report a bug or request a new feature, feel free to open a [new issue](https://github.com/louislam/uptime-kuma/issues).
 
 ### Translations
+
 If you want to translate Uptime Kuma into your language, please visit [Weblate Readme](https://github.com/louislam/uptime-kuma/blob/master/src/lang/README.md).
 
 ### Spelling & Grammar
@@ -190,4 +191,5 @@ Feel free to correct the grammar in the documentation or code.
 My mother language is not english and my grammar is not that great.
 
 ### Create Pull Requests
+
 If you want to modify Uptime Kuma, please read this guide and follow the rules here: https://github.com/louislam/uptime-kuma/blob/master/CONTRIBUTING.md
diff --git a/db/knex_migrations/README.md b/db/knex_migrations/README.md
index 4bebe3482..d2b8470b1 100644
--- a/db/knex_migrations/README.md
+++ b/db/knex_migrations/README.md
@@ -1,10 +1,11 @@
-## Info
+# Info
 
 https://knexjs.org/guide/migrations.html#knexfile-in-other-languages
 
 ## Basic rules
+
 - All tables must have a primary key named `id`
-- Filename format: `YYYY-MM-DD-HHMM-patch-name.js` 
+- Filename format: `YYYY-MM-DD-HHMM-patch-name.js`
 - Avoid native SQL syntax, use knex methods, because Uptime Kuma supports SQLite and MariaDB.
 
 ## Template
diff --git a/docker/dockerfile b/docker/dockerfile
index 719cba5c5..1993c1045 100644
--- a/docker/dockerfile
+++ b/docker/dockerfile
@@ -30,6 +30,8 @@ FROM $BASE_IMAGE AS release
 USER node
 WORKDIR /app
 
+LABEL org.opencontainers.image.source="https://github.com/louislam/uptime-kuma"
+
 ENV UPTIME_KUMA_IS_CONTAINER=1
 
 # Copy app files from build layer
diff --git a/extra/push-examples/typescript-fetch/README.md b/extra/push-examples/typescript-fetch/README.md
index cf93439b7..c2c96ce0c 100644
--- a/extra/push-examples/typescript-fetch/README.md
+++ b/extra/push-examples/typescript-fetch/README.md
@@ -1,3 +1,4 @@
+# How to run
 
 Node.js (ts-node)
 
@@ -16,4 +17,3 @@ Bun.js
 ```bash
 bun index.ts
 ```
-
diff --git a/server/model/monitor.js b/server/model/monitor.js
index 284a5ccc9..216283e16 100644
--- a/server/model/monitor.js
+++ b/server/model/monitor.js
@@ -2,7 +2,7 @@ const https = require("https");
 const dayjs = require("dayjs");
 const axios = require("axios");
 const { Prometheus } = require("../prometheus");
-const { log, UP, DOWN, PENDING, MAINTENANCE, flipStatus, TimeLogger, MAX_INTERVAL_SECOND, MIN_INTERVAL_SECOND,
+const { log, UP, DOWN, PENDING, MAINTENANCE, flipStatus, MAX_INTERVAL_SECOND, MIN_INTERVAL_SECOND,
     SQL_DATETIME_FORMAT
 } = require("../../src/util");
 const { tcping, ping, checkCertificate, checkStatusCode, getTotalClientInRoom, setting, mssqlQuery, postgresQuery, mysqlQuery, mqttAsync, setSetting, httpNtlm, radius, grpcQuery,
@@ -1067,7 +1067,7 @@ class Monitor extends BeanModel {
 
     /**
      * Example: http: or https:
-     * @returns {(null|string)}
+     * @returns {(null|string)} URL's protocol
      */
     getURLProtocol() {
         const url = this.getUrl();
diff --git a/server/routers/api-router.js b/server/routers/api-router.js
index d480ed6ed..d1445d30c 100644
--- a/server/routers/api-router.js
+++ b/server/routers/api-router.js
@@ -283,8 +283,6 @@ router.get("/api/badge/:id/ping/:duration?", cache("5 minutes"), async (request,
             requestedDuration = "24h";
         }
 
-        const sqlHourOffset = Database.sqlHourOffset();
-
         // Check if monitor is public
 
         const uptimeCalculator = await UptimeCalculator.getUptimeCalculator(requestedMonitorId);
diff --git a/server/routers/status-page-router.js b/server/routers/status-page-router.js
index f8c347050..86d2af9a9 100644
--- a/server/routers/status-page-router.js
+++ b/server/routers/status-page-router.js
@@ -4,7 +4,6 @@ const { UptimeKumaServer } = require("../uptime-kuma-server");
 const StatusPage = require("../model/status_page");
 const { allowDevAllOrigin, sendHttpError } = require("../util-server");
 const { R } = require("redbean-node");
-const Monitor = require("../model/monitor");
 const { badgeConstants } = require("../config");
 const { makeBadge } = require("badge-maker");
 const { UptimeCalculator } = require("../uptime-calculator");
diff --git a/src/lang/README.md b/src/lang/README.md
index aafda2de9..8c9b2379f 100644
--- a/src/lang/README.md
+++ b/src/lang/README.md
@@ -1,4 +1,6 @@
-# How to translate 
+# Translations
+
+## How to translate
 
 (2023-01-24 Updated)
 
@@ -7,7 +9,7 @@
 3. Make sure your GitHub email is matched with Weblate's account, so that it could show you as a contributor on GitHub
 4. Choose your language on Weblate and start translating.
 
-# How to add a new language in the dropdown
+## How to add a new language in the dropdown
 
 1. Add your language at https://weblate.kuma.pet/projects/uptime-kuma/uptime-kuma/
 2. Find the language code (You can find it at the end of the URL)
diff --git a/test/backend-test/README.md b/test/backend-test/README.md
index e0a69dda7..5686fae78 100644
--- a/test/backend-test/README.md
+++ b/test/backend-test/README.md
@@ -1,12 +1,9 @@
-
 # Node.js Test Runner
 
 Documentation: https://nodejs.org/api/test.html
 
 Create a test file in this directory with the name `*.js`.
 
-
-
 ## Template
 
 ```js
@@ -26,7 +23,7 @@ test("Test name", async (t) => {
 });
 ```
 
-## Run 
+## Run
 
 Node.js >=18