diff --git a/server/docker.js b/server/docker.js
index ee6051dfa..fc38797ac 100644
--- a/server/docker.js
+++ b/server/docker.js
@@ -1,10 +1,10 @@
 const axios = require("axios");
 const { R } = require("redbean-node");
 const https = require("https");
-const fs = require("fs");
+const fs = require("fs/promises");
 const path = require("path");
 const Database = require("./database");
-const { axiosAbortSignal } = require("./util-server");
+const { axiosAbortSignal, fileExists } = require("./util-server");
 
 class DockerHost {
 
@@ -81,7 +81,7 @@ class DockerHost {
             options.socketPath = dockerHost.dockerDaemon;
         } else if (dockerHost.dockerType === "tcp") {
             options.baseURL = DockerHost.patchDockerURL(dockerHost.dockerDaemon);
-            options.httpsAgent = new https.Agent(DockerHost.getHttpsAgentOptions(dockerHost.dockerType, options.baseURL));
+            options.httpsAgent = new https.Agent(await DockerHost.getHttpsAgentOptions(dockerHost.dockerType, options.baseURL));
         }
 
         try {
@@ -143,7 +143,7 @@ class DockerHost {
      * @param {string} url The docker host URL rewritten to https://
      * @returns {object} HTTP agent options
      */
-    static getHttpsAgentOptions(dockerType, url) {
+    static async getHttpsAgentOptions(dockerType, url) {
         let baseOptions = {
             maxCachedSessions: 0,
             rejectUnauthorized: true
@@ -156,10 +156,10 @@ class DockerHost {
         let certPath = path.join(Database.dockerTLSDir, dirName, DockerHost.CertificateFileNameCert);
         let keyPath = path.join(Database.dockerTLSDir, dirName, DockerHost.CertificateFileNameKey);
 
-        if (dockerType === "tcp" && fs.existsSync(caPath) && fs.existsSync(certPath) && fs.existsSync(keyPath)) {
-            let ca = fs.readFileSync(caPath);
-            let key = fs.readFileSync(keyPath);
-            let cert = fs.readFileSync(certPath);
+        if (dockerType === "tcp" && await fileExists(caPath) && await fileExists(certPath) && await fileExists(keyPath)) {
+            let ca = await fs.readFile(caPath);
+            let key = await fs.readFile(keyPath);
+            let cert = await fs.readFile(certPath);
             certOptions = {
                 ca,
                 key,
diff --git a/server/model/monitor.js b/server/model/monitor.js
index 4beeb0036..7b3c38f94 100644
--- a/server/model/monitor.js
+++ b/server/model/monitor.js
@@ -758,7 +758,7 @@ class Monitor extends BeanModel {
                     } else if (dockerHost._dockerType === "tcp") {
                         options.baseURL = DockerHost.patchDockerURL(dockerHost._dockerDaemon);
                         options.httpsAgent = new https.Agent(
-                            DockerHost.getHttpsAgentOptions(dockerHost._dockerType, options.baseURL)
+                            await DockerHost.getHttpsAgentOptions(dockerHost._dockerType, options.baseURL)
                         );
                     }
 
diff --git a/server/socket-handlers/general-socket-handler.js b/server/socket-handlers/general-socket-handler.js
index 50dcd946e..578cbaaa3 100644
--- a/server/socket-handlers/general-socket-handler.js
+++ b/server/socket-handlers/general-socket-handler.js
@@ -4,7 +4,7 @@ const { sendInfo } = require("../client");
 const { checkLogin } = require("../util-server");
 const GameResolver = require("gamedig/lib/GameResolver");
 const { testChrome } = require("../monitor-types/real-browser-monitor-type");
-const fs = require("fs");
+const fs = require("fs/promises");
 const path = require("path");
 
 let gameResolver = new GameResolver();
@@ -90,17 +90,17 @@ module.exports.generalSocketHandler = (socket, server) => {
         }
     });
 
-    socket.on("getPushExample", (language, callback) => {
+    socket.on("getPushExample", async (language, callback) => {
 
         try {
             let dir = path.join("./extra/push-examples", language);
-            let files = fs.readdirSync(dir);
+            let files = await fs.readdir(dir);
 
             for (let file of files) {
                 if (file.startsWith("index.")) {
                     callback({
                         ok: true,
-                        code: fs.readFileSync(path.join(dir, file), "utf8"),
+                        code: await fs.readFile(path.join(dir, file), "utf8"),
                     });
                     return;
                 }
diff --git a/server/util-server.js b/server/util-server.js
index f4a4a67fe..1a154237c 100644
--- a/server/util-server.js
+++ b/server/util-server.js
@@ -18,6 +18,7 @@ const radiusClient = require("node-radius-client");
 const redis = require("redis");
 const oidc = require("openid-client");
 const tls = require("tls");
+const fs = require("fs");
 
 const {
     dictionaries: {
@@ -1021,3 +1022,9 @@ module.exports.axiosAbortSignal = (timeoutMs) => {
         }
     }
 };
+
+module.exports.fileExists = (file) => {
+    return fs.promises.access(file, fs.constants.F_OK)
+        .then(() => true)
+        .catch(() => false);
+};