diff --git a/frontend/examples/angular/Dockerfile b/frontend/examples/angular/Dockerfile
index 2d16f9706..25bb22524 100644
--- a/frontend/examples/angular/Dockerfile
+++ b/frontend/examples/angular/Dockerfile
@@ -9,7 +9,6 @@ ENV PATH /app/node_modules/.bin:$PATH
 
 # install app dependencies
 COPY package.json ./
-COPY package-lock.json ./
 RUN npm install
 
 # add app
diff --git a/frontend/examples/express/Dockerfile b/frontend/examples/express/Dockerfile
index 542116a8e..c3fe8ffe0 100644
--- a/frontend/examples/express/Dockerfile
+++ b/frontend/examples/express/Dockerfile
@@ -9,7 +9,6 @@ ENV PATH /app/node_modules/.bin:$PATH
 
 # install app dependencies
 COPY package.json ./
-COPY package-lock.json ./
 RUN npm install --silent
 RUN npm install react-scripts@3.4.1 -g --silent
 
diff --git a/frontend/examples/nextjs/Dockerfile b/frontend/examples/nextjs/Dockerfile
index 012d32dc1..202080251 100644
--- a/frontend/examples/nextjs/Dockerfile
+++ b/frontend/examples/nextjs/Dockerfile
@@ -9,7 +9,6 @@ ENV PATH /app/node_modules/.bin:$PATH
 
 # install app dependencies
 COPY package.json ./
-COPY package-lock.json ./
 RUN npm install
 
 # add app
diff --git a/frontend/examples/react/Dockerfile b/frontend/examples/react/Dockerfile
index 579db0ad9..7ada5c09f 100644
--- a/frontend/examples/react/Dockerfile
+++ b/frontend/examples/react/Dockerfile
@@ -9,7 +9,6 @@ ENV PATH /app/node_modules/.bin:$PATH
 
 # install app dependencies
 COPY package.json ./
-COPY package-lock.json ./
 RUN npm install
 RUN npm install react-scripts@3.4.1 -g --silent
 
diff --git a/frontend/examples/svelte/Dockerfile b/frontend/examples/svelte/Dockerfile
index 012d32dc1..202080251 100644
--- a/frontend/examples/svelte/Dockerfile
+++ b/frontend/examples/svelte/Dockerfile
@@ -9,7 +9,6 @@ ENV PATH /app/node_modules/.bin:$PATH
 
 # install app dependencies
 COPY package.json ./
-COPY package-lock.json ./
 RUN npm install
 
 # add app
diff --git a/frontend/examples/vue/Dockerfile b/frontend/examples/vue/Dockerfile
index 012d32dc1..202080251 100644
--- a/frontend/examples/vue/Dockerfile
+++ b/frontend/examples/vue/Dockerfile
@@ -9,7 +9,6 @@ ENV PATH /app/node_modules/.bin:$PATH
 
 # install app dependencies
 COPY package.json ./
-COPY package-lock.json ./
 RUN npm install
 
 # add app