Add Docker arm64 builds (#14025)

apps/web/Dockerfile

@@ -1,18 +1,83 @@
-FROM ghcr.io/bitwarden/server
+###############################################
+#                Build stage 1                #
+###############################################
+ARG NODE_VERSION=20
+FROM --platform=$BUILDPLATFORM node:${NODE_VERSION} AS node-build
 
+ARG NPM_COMMAND=dist:bit:selfhost
+
+WORKDIR /source
+COPY . .
+
+RUN npm ci
+
+WORKDIR /source/apps/web
+RUN npm run ${NPM_COMMAND}
+
+###############################################
+#                Build stage 2                #
+###############################################
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+
+# Docker buildx supplies the value for this arg
+ARG TARGETPLATFORM
+
+# Determine proper runtime value for .NET
+# We put the value in a file to be read by later layers.
+RUN if [ "$TARGETPLATFORM" = "linux/amd64" ]; then \
+      RID=linux-x64 ; \
+    elif [ "$TARGETPLATFORM" = "linux/arm64" ]; then \
+      RID=linux-arm64 ; \
+    elif [ "$TARGETPLATFORM" = "linux/arm/v7" ]; then \
+      RID=linux-arm ; \
+    fi \
+    && echo "RID=$RID" > /tmp/rid.txt
+
+# Copy csproj files as distinct layers
+WORKDIR /source
+COPY server/util/Server/*.csproj ./util/Server/
+COPY server/Directory.Build.props .
+COPY server/.editorconfig .
+
+# Restore Server project dependencies and tools
+WORKDIR /source/util/Server
+RUN . /tmp/rid.txt && dotnet restore -r $RID
+
+# Copy required project files
+WORKDIR /source
+COPY server/util/Server/. ./util/Server/
+COPY server/.git/. ./.git/
+
+# Build Server app
+WORKDIR /source/util/Server
+RUN . /tmp/rid.txt && dotnet publish -c release -o /app/Server --no-restore --no-self-contained -r $RID
+
+WORKDIR /app
+
+###############################################
+#                  App stage                  #
+###############################################
+FROM mcr.microsoft.com/dotnet/aspnet:8.0
+
+ARG TARGETPLATFORM
 LABEL com.bitwarden.product="bitwarden"
+ENV ASPNETCORE_ENVIRONMENT=Production
+ENV ASPNETCORE_URLS=http://+:5000
+EXPOSE 5000
 
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \
         gosu \
         curl \
-&& rm -rf /var/lib/apt/lists/*
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy app from the build stage
+WORKDIR /bitwarden_server
+COPY --from=build /app/Server ./
 
-ENV ASPNETCORE_URLS http://+:5000
 WORKDIR /app
-EXPOSE 5000
-COPY ./build .
-COPY entrypoint.sh /
+COPY --from=node-build /source/apps/web/build .
+COPY --from=node-build /source/apps/web/entrypoint.sh /
 RUN chmod +x /entrypoint.sh
 
 HEALTHCHECK CMD curl -f http://localhost:5000 || exit 1