Drop deprecated use of npm install --production=false (#2298)

.buildkite/Dockerfile

@@ -3,14 +3,14 @@ FROM node:$NODE_VERSION
 
 # Install required tools
 RUN apt-get clean -y && \
-    apt-get -qy update && \
-    apt-get -y install zip && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+  apt-get -qy update && \
+  apt-get -y install zip && \
+  apt-get clean && \
+  rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 WORKDIR /usr/src/app
 
 COPY package.json .
-RUN npm install --production=false
+RUN npm install
 
 COPY . .

.buildkite/Dockerfile-make

@@ -24,7 +24,7 @@ USER ${BUILDER_UID}:${BUILDER_GID}
 
 # install dependencies
 COPY package.json .
-RUN npm install --production=false
+RUN npm install
 
 # copy project files
 COPY . .