diff --git a/Dockerfile.dev b/Dockerfile.dev
index 9ac570133..eae810bc0 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -8,8 +8,8 @@ ARG APP_MOUNT_URI
 ARG API_URI
 ARG STATIC_URL
 ENV API_URI ${API_URI:-http://localhost:8000/graphql/}
-ENV APP_MOUNT_URI ${APP_MOUNT_URI:-/dashboard/}
-ENV STATIC_URL ${STATIC_URL:-/dashboard/}
+ENV APP_MOUNT_URI ${APP_MOUNT_URI:-/}
+ENV STATIC_URL ${STATIC_URL:-/}
 
 EXPOSE 9000
 CMD npm start -- --host 0.0.0.0
diff --git a/webpack.config.js b/webpack.config.js
index d39026b46..76d82a804 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -66,6 +66,7 @@ module.exports = (env, argv) => {
   // Create release if sentry config is set
   let sentryPlugin;
   if (
+    !devMode &&
     process.env.SENTRY_ORG &&
     process.env.SENTRY_PROJECT &&
     process.env.SENTRY_DSN &&
@@ -85,7 +86,7 @@ module.exports = (env, argv) => {
       hot: true,
       port: 9000
     },
-    devtool: "source-map",
+    devtool: devMode ? "cheap-module-source-map" : "source-map",
     entry: {
       dashboard: "./src/index.tsx"
     },