diff --git a/Dockerfile b/Dockerfile
index bae4222..ca3c413 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,7 +15,7 @@ WORKDIR /app
 
 EXPOSE 3000
 
-COPY Gemfile* package.json yarn.lock /app/
+COPY Gemfile* package.json yarn.lock /app/ /config/
 
 RUN gem install bundler -v 2.1.4 && \
   bundle install --jobs 20
diff --git a/config/database.yml b/config/database.yml
index 4a8a1b2..48075d6 100644
--- a/config/database.yml
+++ b/config/database.yml
@@ -6,7 +6,7 @@
 #
 default: &default
   adapter: sqlite3
-  pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
+  pool: 5
   timeout: 5000
 
 development: