Using Docker within Docker to reduce image footprint (#84)

petabridge · Jun 26, 2019 · 7872551 · 7872551
1 parent a5b388c
commit 7872551
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diff --git a/src/Lighthouse/Dockerfile-linux b/src/Lighthouse/Dockerfile-linux
@@ -6,8 +6,6 @@ ENV CLUSTER_SEEDS "[]"
 ENV CLUSTER_IP ""
 ENV CLUSTER_PORT "4053"
 
-COPY ./bin/Release/netcoreapp2.1/publish/ /app
-
 # 9110 - Petabridge.Cmd
 # 4053 - Akka.Cluster
 EXPOSE 9110 4053
@@ -21,4 +19,14 @@ ENV PATH="${PATH}:/root/.dotnet/tools"
 
 # RUN pbm help
 
+COPY ./bin/Release/netcoreapp2.1/publish/ /app
+
+FROM mcr.microsoft.com/dotnet/core/runtime:2.1 AS app
+WORKDIR /app
+
+COPY --from=base /app /app
+
+# copy .NET Core global tool
+COPY --from=base /root/.dotnet /root/.dotnet/
+
 CMD ["dotnet", "Lighthouse.dll"]
diff --git a/src/Lighthouse/Dockerfile-windows b/src/Lighthouse/Dockerfile-windows
@@ -6,8 +6,6 @@ ENV CLUSTER_SEEDS "[]"
 ENV CLUSTER_IP ""
 ENV CLUSTER_PORT "4053"
 
-COPY ./bin/Release/netcoreapp2.1/publish/ /app
-
 # 9110 - Petabridge.Cmd
 # 4053 - Akka.Cluster
 EXPOSE 9110 4053
@@ -21,4 +19,14 @@ EXPOSE 9110 4053
 
 # RUN pbm help
 
+COPY ./bin/Release/netcoreapp2.1/publish/ /app
+
+FROM mcr.microsoft.com/dotnet/core/runtime:2.1-nanoserver-1803 AS app
+WORKDIR /app
+
+COPY --from=base /app /app
+
+# copy .NET Core global tool
+# COPY --from=base /root/.dotnet /root/.dotnet/
+
 CMD ["dotnet", "Lighthouse.dll"]