diff --git a/Dockerfile.dev b/Dockerfile.dev
index e17f196..d590127 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -1,16 +1,27 @@
-FROM ruby:3.4
+FROM ruby:3.4-slim
 
-RUN gem install bundler
+# 1. Install essential build tools for gems like 'pg' or 'sqlite3'
+RUN apt-get update -qq && apt-get install -y \
+    build-essential \
+    libpq-dev \
+    curl \
+    git
 
 WORKDIR /usr/src/game-data
 
-COPY Gemfile Gemfile.l*ck ./
+# 2. Set environment variables for the Gem volume we discussed
+ENV BUNDLE_PATH=/usr/local/bundle \
+    BUNDLE_BIN=/usr/local/bundle/bin \
+    PATH=/usr/local/bundle/bin:$PATH
 
-RUN bundle check || bundle install
-
-RUN gem install rake
+# 3. Copy Gemfile first to leverage layer caching
+COPY Gemfile Gemfile.lock ./
+RUN bundle install
 
+# 4. Copy the application code
 COPY . ./
 
-ENTRYPOINT ["bash", "entrypoints/dev.sh"]
+# 5. Make sure your entrypoint script is executable
+RUN chmod +x entrypoints/dev.sh
 
+ENTRYPOINT ["bash", "entrypoints/dev.sh"]
diff --git a/entrypoints/dev.sh b/entrypoints/dev.sh
index 39c792f..747d06b 100644
--- a/entrypoints/dev.sh
+++ b/entrypoints/dev.sh
@@ -1,7 +1,9 @@
 #!/bin/bash
 
-if [ ! -f ./data/gamedata.db ]; then
-  rake db:migrate
-fi
+# Run the migrations to make sure the DB is up-to-date
+echo 'Checking database status...'
+rake db:migrate
 
+# Start the HTTP server
+echo 'Starting development server...'
 rake server:dev