diff --git a/Dockerfile.dev b/Dockerfile.dev
index 85fe893..2a1b29e 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -1,24 +1,15 @@
-# Use the official lightweight Node.js 12 image.
-# https://hub.docker.com/_/node
 FROM node:14-slim
 
-# Create and change to the app directory.
 WORKDIR /usr/src/app
 
-# Copy application dependency manifests to the container image.
-# A wildcard is used to ensure both package.json AND package-lock.json are copied.
-# Copying this separately prevents re-running npm install on every code change.
 COPY package*.json ./
 
-# Install production dependencies.
 RUN npm install
 
-# Copy local code to the container image.
 COPY . ./
 
 ENV NODE_ENV development
 ENV REDIS_HOST redis
 ENV REDIS_PORT 6379
 
-# Run the web service on container startup.
 CMD [ "npm", "run", "start:dev:docker" ]