diff --git a/docker/Dockerfile b/docker/Dockerfile
index 0a68eeba..9039572a 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -8,7 +8,7 @@ COPY package.json /RTL/package.json
 COPY package-lock.json /RTL/package-lock.json
 
 # Install dependencies
-RUN npm install --production
+RUN NODE_ENV=production npm install
 
 COPY . /RTL
 
diff --git a/docker/Dockerfile.arm32v7 b/docker/Dockerfile.arm32v7
index 66403b26..6edf65fa 100644
--- a/docker/Dockerfile.arm32v7
+++ b/docker/Dockerfile.arm32v7
@@ -1,4 +1,4 @@
-FROM node:14-stretch-slim AS builder
+FROM node:14-alpine AS builder
 
 ADD https://github.com/krallin/tini/releases/download/v0.18.0/tini-static-armel /tini
 ADD https://github.com/krallin/tini/releases/download/v0.18.0/tini-static-armel.asc /tini.asc
@@ -15,11 +15,11 @@ COPY package.json /RTL/package.json
 COPY package-lock.json /RTL/package-lock.json
 
 # Install dependencies
-RUN npm install --production
+RUN NODE_ENV=production npm install
 
 COPY . /RTL
 
-FROM arm32v7/node:14-stretch-slim
+FROM arm32v7/node:14-alpine
 
 WORKDIR /RTL
 
diff --git a/docker/Dockerfile.arm64v8 b/docker/Dockerfile.arm64v8
index 427a8844..bdf90ad1 100644
--- a/docker/Dockerfile.arm64v8
+++ b/docker/Dockerfile.arm64v8
@@ -11,7 +11,7 @@ COPY package.json /RTL/package.json
 COPY package-lock.json /RTL/package-lock.json
 
 # Install dependencies
-RUN npm install --production
+RUN NODE_ENV=production npm install
 
 COPY . /RTL