diff --git a/.gitignore b/.gitignore
index d840e32..f8b6791 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@
 /node_modules/*
 /tmp/*
 .vimrc
+.env
diff --git a/Dockerfile b/Dockerfile
index f1ffdd0..07403b7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:18.18.2-alpine
+FROM node:22.9.0-alpine3.20
 
 EXPOSE 3000
 
@@ -20,4 +20,4 @@ RUN npm install
 #RUN cd /usr/src/app/CodeMirror && npm run build
 
 # Use nodemon to start app.
-CMD [ "nodemon" ]
+CMD [ "nodemon", "--env-file=.env", "server.js" ]
diff --git a/server.js b/server.js
index 7c20769..dae1369 100644
--- a/server.js
+++ b/server.js
@@ -19,7 +19,7 @@ var db = require('./db');
 var Session = require('express-session');
 var SessionStore = require('session-file-store')(Session);
 var session = Session({
-        secret: 'here kitty kitty',
+        secret: process.env.SESSION_SECRET,
         resave: false,
         saveUninitialized: false,
         cookie: { sameSite: true, secure: true },