diff --git a/chat-app/Dockerfile b/Dockerfile
similarity index 80%
rename from chat-app/Dockerfile
rename to Dockerfile
index 396cc5a..39dd7c7 100644
--- a/chat-app/Dockerfile
+++ b/Dockerfile
@@ -3,12 +3,12 @@ WORKDIR /usr/src/app
 
 FROM base AS install 
 RUN mkdir -p /temp/build
-COPY package.json bun.lockb /temp/build/
+COPY ./chat-app/package.json ./chat-app/bun.lockb /temp/build/
 RUN cd /temp/build && bun install --frozen-lockfile
 
 FROM base AS release
 COPY --from=install /temp/build/node_modules node_modules
-COPY . .
+COPY ./chat-app .
 
 ENV NODE_ENV=production
 RUN bun run build
diff --git a/slides/deployment.html b/slides/deployment.html
index 80bcf5c..7be0787 100644
--- a/slides/deployment.html
+++ b/slides/deployment.html
@@ -89,6 +89,19 @@
 
             <!-- Dokku -->
 
+            <section>
+                <h2>What Dokku Does</h2>
+                <ul>
+                    <li>Creates a <code>dokku</code> user on your system</li>
+                    <li>Installs all the services for running Dokku
+                        <ul>
+                            <li>Docker</li>
+                            <li>NGiNX</li>
+                        </ul>
+                    </li>
+                </ul>
+            </section>
+
             <section>
                 <h3>Create an application.</h3>
                 <pre>