Reduce docker image by half

serverflex · Sep 20, 2020 · 8392381 · 8392381
1 parent 4a5af45
commit 8392381
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Showing 2 changed files with 15 additions and 5 deletions.
diff --git a/.dockerignore b/.dockerignore
@@ -0,0 +1,9 @@
+.dockerignore
+.env
+.gitignore
+.vs
+.vscode
+**/.git
+**/.idea
+**/bin
+**/obj
diff --git a/Dockerfile b/Dockerfile
@@ -6,17 +6,18 @@ COPY src/Impostor.Server/Impostor.Server.csproj ./src/Impostor.Server/Impostor.S
 COPY src/Impostor.Shared/Impostor.Shared.csproj ./src/Impostor.Shared/Impostor.Shared.csproj
 COPY submodules/Hazel-Networking/Hazel/Hazel.csproj ./submodules/Hazel-Networking/Hazel/Hazel.csproj
 
-RUN dotnet restore -r linux-x64 ./src/Impostor.Server/Impostor.Server.csproj && \
-    dotnet restore -r linux-x64 ./src/Impostor.Shared/Impostor.Shared.csproj && \
-    dotnet restore -r linux-x64 ./submodules/Hazel-Networking/Hazel/Hazel.csproj
+RUN dotnet restore -r linux-musl-x64 ./src/Impostor.Server/Impostor.Server.csproj && \
+    dotnet restore -r linux-musl-x64 ./src/Impostor.Shared/Impostor.Shared.csproj && \
+    dotnet restore -r linux-musl-x64 ./submodules/Hazel-Networking/Hazel/Hazel.csproj
 
 # Copy everything else.
 COPY submodules/. ./submodules/
 COPY src/. ./src/
-RUN dotnet publish -c release -o /app -f netcoreapp3.1 -r linux-x64 --self-contained false --no-restore ./src/Impostor.Server/Impostor.Server.csproj
+RUN dotnet publish -c release -o /app -f netcoreapp3.1 -r linux-musl-x64 --self-contained false --no-restore ./src/Impostor.Server/Impostor.Server.csproj
 
 # Final image.
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-alpine
 WORKDIR /app
 COPY --from=build /app ./
+EXPOSE 22023/udp
 ENTRYPOINT ["./Impostor.Server"]