fix: optimize docker build process

Dockerfile

@@ -1,24 +1,28 @@
 FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build-env
 WORKDIR /app
 
-COPY *.sln .
+COPY *.sln ./
 
-COPY NuGet.config .
+COPY NuGet.config ./
 
 COPY src/*/*.csproj ./
 RUN for file in $(ls *.csproj); do mkdir -p src/${file%.*}/ && mv $file src/${file%.*}/; done
 
-RUN ls ./src/ -a
-
 RUN dotnet restore
 
 # Copy everything else and build
 COPY . ./
-RUN dotnet publish -c Release -o ./out
+RUN dotnet build -c Release -o ./out/build
+
+FROM build-env AS publish
+RUN dotnet publish -c Release -o ./out/publish --no-restore
+
+COPY ./src/UmbracoNetCoreDockerExample.Web/umbraco ./out/publish/umbraco
 
 # Build runtime image
 FROM mcr.microsoft.com/dotnet/core/aspnet:3.1
 WORKDIR /app
 ENV ASPNETCORE_URLS=http://+:80
-COPY --from=build-env /app/out ./
+COPY --from=publish /app/out/publish ./
+
 ENTRYPOINT ["dotnet", "UmbracoNetCoreDockerExample.Web.dll"]

docker-compose.yml

@@ -15,11 +15,11 @@ services:
       - '3931:1434'
 
   umbraco-netcore:
+    restart: always
     links:
       - umbraco-db:umbraco-db
     depends_on:
       - umbraco-db
-    restart: always
     build:
       context: .
       dockerfile: Dockerfile

src/UmbracoNetCoreDockerExample.Web/.dockerignore

@@ -1,3 +1,25 @@
 *
 !obj/Docker/publish/*
 !obj/Docker/empty/
+
+!config/*
+!config/
+!config/**/*
+!umbraco/*
+!umbraco/
+!umbraco/**/*
+.git
+.cache
+.vs
+.vscode
+.gitignore
+.dockerignore
+Dockerfile.*
+Dockerfile
+bin
+obj
+appsettings.Development.json
+appsettings.local.json
+configs/ms.sql.env
+*.csproj.user
+*.md