Add pull_policy and environment variables for Datadog

Added `pull_policy: always` to `elsa-server` and `elsa-studio` services in the Docker Compose file to ensure the latest images are always pulled. Updated `elsa-server` environment variables to improve Datadog tracing and monitoring. Adjusted the Dockerfile path for the `elsa-studio` service.

docker/docker-compose-datadog.yml

@@ -36,6 +36,7 @@ services:
       - "127.0.0.1:6379:6379"
 
   elsa-server:
+    pull_policy: always
     build:
       context: ../.
       dockerfile: ./docker/ElsaServer-Datadog.Dockerfile
@@ -46,6 +47,12 @@ services:
       - datadog-agent
     environment:
       DD_AGENT_HOST: datadog-agent
+      DD_ENV: development
+      DD_TRACE_DEBUG: true
+      DD_TRACE_OTEL_ENABLED: true
+      DD_SERVICE: "Elsa Server"
+      DD_VERSION: "3.3.0"
+      # OTEL_DOTNET_AUTO_TRACES_ADDITIONAL_SOURCES: "Proto.Actor"
       ASPNETCORE_ENVIRONMENT: Development
       PYTHONNET_PYDLL: /opt/homebrew/Cellar/python@3.11/3.11.6_1/Frameworks/Python.framework/Versions/3.11/bin/python3.11
       PYTHONNET_RUNTIME: coreclr
@@ -57,9 +64,10 @@ services:
       - "13000:8080"
         
   elsa-studio:
+    pull_policy: always
     build:
       context: ../.
-      dockerfile: ./docker/ElsaStudio-Datadog.Dockerfile
+      dockerfile: ./docker/ElsaStudio.Dockerfile
     environment:
       ASPNETCORE_ENVIRONMENT: Development
       ELSASERVER__URL: "http://localhost:13000/elsa/api"