chore (docker): update api base image and remove version from docker-compose

Author: 64J0

Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/sdk:7.0-jammy AS build
+FROM mcr.microsoft.com/dotnet/sdk:9.0-jammy AS build
 WORKDIR /app
 
 # copy main project
@@ -7,7 +7,7 @@ COPY fsharp-api/ .
 RUN dotnet publish -c Release -o ./bin
 
 # final stage/image
-FROM mcr.microsoft.com/dotnet/nightly/aspnet:7.0-jammy-chiseled AS runtime
+FROM mcr.microsoft.com/dotnet/nightly/aspnet:9.0-jammy-chiseled AS runtime
 
 LABEL org.opencontainers.image.source=https://github.com/64J0/fsharp-monitoring
 

docker-compose.yml

@@ -1,7 +1,5 @@
 # https://github.com/vegasbrianc/prometheus/blob/master/docker-compose.yml
 # https://docs.docker.com/compose/production/
-version: "3.9"
-
 services:
   fsharp-api-server:
     build: .