HOW ABOUT WE INSTALL YARN BEFORE WE BUILD WEBPANEL

build/Dockerfile

@@ -17,7 +17,7 @@ RUN . $NVM_DIR/nvm.sh \
 	&& apt-get install -y \
 		dos2unix \
 	&& rm -rf /var/lib/apt/lists/* \
-	&& npm install -g npm
+	&& npm install -g npm yarn
 
 # Build web control panel
 WORKDIR /repo/build
@@ -32,10 +32,7 @@ COPY src/Tgstation.Server.Host/Tgstation.Server.Host.csproj ./
 # I cant figure out how to run npm as non root so eh
 RUN npm set unsafe-perm true
 RUN dotnet msbuild -target:NpmBuild
-RUN npm set unsafe-perm false
-
-#Install yarn globally for webpanel
-RUN npm install -g yarn
+RUN npm set unsafe-perm fals
 
 WORKDIR /repo