update dotnet image version and port

Author: ohdoking

Dockerfile

@@ -1,5 +1,8 @@
-# Use the lighter version of the .NET SDK as the base image
-FROM mcr.microsoft.com/dotnet/sdk:7.0-alpine AS build
+# Use the .NET 9.0 SDK as the base image
+FROM mcr.microsoft.com/dotnet/sdk:9.0-alpine AS build
+
+# Set environment to Development
+ENV ASPNETCORE_ENVIRONMENT=Development
 
 # Set the working directory
 WORKDIR /app
@@ -13,14 +16,17 @@ RUN dotnet restore
 # Publish the application
 RUN dotnet publish -c Release -o out
 
-# Use the lighter version of the ASP.NET Runtime as the final base image
-FROM mcr.microsoft.com/dotnet/aspnet:7.0-alpine
+# Use the .NET 9.0 ASP.NET Runtime as the final base image
+FROM mcr.microsoft.com/dotnet/aspnet:9.0-alpine
 
 # Set the working directory
 WORKDIR /app
 
 # Copy the published application from the build image
 COPY --from=build /app/out .
 
+# Expose port 8080 (matching the log)
+EXPOSE 8080
+
 # Set the entrypoint
-ENTRYPOINT ["dotnet", "dotnet-csharp-redis-demo.dll"]
+ENTRYPOINT ["dotnet", "dotnet-csharp-redis-demo.dll"]

docker-compose.yaml

@@ -6,7 +6,7 @@ services:
       context: .
       dockerfile: Dockerfile
     ports:
-      - "5001:80"
+      - "5001:8080"  # Map external port 5001 to internal port 8080
     environment:
       - REDIS_HOST=${REDIS_HOST}
       - REDIS_PORT=${REDIS_PORT}