added runtime config generation from environment variables

Dockerfile

@@ -36,7 +36,11 @@ ENV ASPNETCORE_ENVIRONMENT=Production \
     LIGET_LOG_LEVEL=Information \
     LIGET_LOG_BACKEND=console \
     LIGET_LOG_GELF_PORT=12201 \
-    LIGET_LOG_GELF_SOURCE=liget
+    LIGET_LOG_GELF_SOURCE=liget \
+    LIGET_GC_CONCURRENT=true \
+    LIGET_GC_SERVER=true \
+    LIGET_THREAD_POOL_MIN=16 \
+    LIGET_THREAD_POOL_MAX=32
 
 COPY /src/LiGet/bin/Release/netcoreapp2.1/publish/ /app
 

README.md

@@ -191,8 +191,6 @@ Everything can be configured with environment variables:
 
 #### Runtime
 
-*TODO: implement as was in liget v0*
-
 Every dotnet Core application has `.runtimeconfig.json`, which can configure garbage collector.
 You may want to set following:
  * `LIGET_GC_CONCURRENT` - by default `true`

docker-scripts/configure.sh

@@ -40,3 +40,13 @@ fi
 
 echo "LiGet configuration generated:"
 cat $config_json
+
+runtime_config=/app/LiGet.runtimeconfig.json
+
+cat $runtime_config | jq --arg cfg ${LIGET_GC_CONCURRENT} '. | .configProperties."System.GC.Concurrent" = ($cfg == "true")' | sponge $runtime_config
+cat $runtime_config | jq --arg cfg ${LIGET_GC_SERVER} '. | .configProperties."System.GC.Server" = ($cfg == "true")' | sponge $runtime_config
+cat $runtime_config | jq --arg cfg ${LIGET_THREAD_POOL_MIN} '. | .configProperties."System.Threading.ThreadPool.MinThreads" = ($cfg | tonumber)' | sponge $runtime_config
+cat $runtime_config | jq --arg cfg ${LIGET_THREAD_POOL_MAX} '. | .configProperties."System.Threading.ThreadPool.MaxThreads" = ($cfg | tonumber)' | sponge $runtime_config
+
+echo "LiGet runtime configuration generated:"
+cat $runtime_config