🐳 Fixes Yarn missing in ARM images

Dockerfile-arm32v7

@@ -8,6 +8,9 @@ ENV IS_DOCKER true
 # Create and set the working directory
 WORKDIR ${DIRECTORY}
 
+# Install Yarn
+RUN npm install -g yarn
+
 # Copy over both 'package.json' and 'package-lock.json' (if available)
 COPY package*.json ./
 

Dockerfile-arm64v8

@@ -8,6 +8,9 @@ ENV IS_DOCKER true
 # Create and set the working directory
 WORKDIR ${DIRECTORY}
 
+# Install Yarn
+RUN npm install -g yarn
+
 # Copy over both 'package.json' and 'package-lock.json' (if available)
 COPY package*.json ./