diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 00000000..c7c2f5ec
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,12 @@
+*
+!src/
+!config
+!demo/favicon.png
+
+!custom.d.ts
+!typings/styled-patch.d.ts
+!tsconfig.json
+!webpack.config.ts
+
+!package.json
+!yarn.lock
diff --git a/Dockerfile b/Dockerfile
index 0e2bfed2..c7c67307 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,10 +9,16 @@ FROM node:alpine
 
 RUN apk update && apk add --no-cache git 
 
-# generate bundle
+# Install dependencies
 WORKDIR /build
-COPY . /build
+COPY package.json yarn.lock /build/
 RUN yarn install --frozen-lockfile --ignore-optional --ignore-scripts
+
+# copy only required for the build files
+COPY src /build/src
+COPY webpack.config.ts tsconfig.json custom.d.ts /build/
+COPY typings/styled-patch.d.ts /build/typings/styled-patch.d.ts
+
 RUN npm run bundle:standalone
 
 FROM nginx:alpine
diff --git a/webpack.config.ts b/webpack.config.ts
index d40adfca..507d50b9 100644
--- a/webpack.config.ts
+++ b/webpack.config.ts
@@ -17,12 +17,18 @@ const nodeExternals = require('webpack-node-externals')({
 });
 
 const VERSION = JSON.stringify(require('./package.json').version);
-const REVISION = JSON.stringify(
-  require('child_process')
-    .execSync('git rev-parse --short HEAD')
-    .toString()
-    .trim(),
-);
+let REVISION;
+
+try {
+  REVISION = JSON.stringify(
+    require('child_process')
+      .execSync('git rev-parse --short HEAD')
+      .toString()
+      .trim(),
+  );
+} catch (e) {
+  console.error('Skipping REDOC_REVISION');
+}
 
 const BANNER = `ReDoc - OpenAPI/Swagger-generated API Reference Documentation
 -------------------------------------------------------------