diff --git a/.devcontainer/slackbot/Dockerfile b/.devcontainer/slackbot/Dockerfile
index fb4c0cd6..a011385e 100644
--- a/.devcontainer/slackbot/Dockerfile
+++ b/.devcontainer/slackbot/Dockerfile
@@ -1,15 +1,23 @@
 FROM node:20-bookworm
 
-# Install build dependencies for node-canvas
-# https://github.com/Automattic/node-canvas/wiki/Installation%3A-Ubuntu-and-other-Debian-based-systems
 RUN apt-get update -y && \
+    # Install build dependencies for node-canvas
+    # https://github.com/Automattic/node-canvas/wiki/Installation%3A-Ubuntu-and-other-Debian-based-systems
     apt-get install build-essential libcairo2-dev libpango1.0-dev libjpeg-dev libgif-dev librsvg2-dev -y && \
+    # Install git and bash
     apt-get install git bash -y && \
+    # Install ngrok
+    curl -sSL https://ngrok-agent.s3.amazonaws.com/ngrok.asc | tee /etc/apt/trusted.gpg.d/ngrok.asc > /dev/null && \
+    echo "deb https://ngrok-agent.s3.amazonaws.com buster main" | tee /etc/apt/sources.list.d/ngrok.list && \
+    apt-get update && \
+    apt-get install ngrok -y && \
+    # Install slackbot npm dependencies
     mkdir -p ~/.cache/slackbot/node_modules && \
     mkdir -p ~/.cache/slackbot-functions/node_modules && \
     git clone https://github.com/tsg-ut/slackbot.git --branch master --single-branch --recursive --depth 1 /code && \
     cd /code && \
     npm install && \
+    # Cleanup
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 
diff --git a/index.ts b/index.ts
index 054fff19..6284044e 100644
--- a/index.ts
+++ b/index.ts
@@ -4,7 +4,7 @@ import 'canvas';
 
 import dotenv from 'dotenv';
 
-dotenv.config();
+dotenv.config({ override: true });
 
 import Fastify from 'fastify';
 import qs from 'querystring';