diff --git a/src/Api/Dockerfile b/src/Api/Dockerfile
index f7ab1a7..96ba660 100644
--- a/src/Api/Dockerfile
+++ b/src/Api/Dockerfile
@@ -3,6 +3,9 @@
 FROM mcr.microsoft.com/dotnet/sdk:9.0-alpine as builder
 WORKDIR /build
 COPY ../../. .
+RUN apk add --no-cache nodejs npm
+RUN npm install -g yarn
+RUN yarn --version
 RUN dotnet publish -c Release -o /build/publish src/Api/Api.csproj
 
 #########################################################################
diff --git a/src/Web/Dockerfile b/src/Web/Dockerfile
index 4630f5d..eb86810 100644
--- a/src/Web/Dockerfile
+++ b/src/Web/Dockerfile
@@ -3,6 +3,9 @@
 FROM mcr.microsoft.com/dotnet/sdk:9.0-alpine as builder
 WORKDIR /build
 COPY ../../. .
+RUN apk add --no-cache nodejs npm
+RUN npm install -g yarn
+RUN yarn --version
 RUN dotnet publish -c Release -o /build/publish src/Web/Web.csproj
 
 #########################################################################