Resolve "Investigate GitLab-CI services don't reach each other"

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

Related to #335

.gitlab/ci/gosdn-integration.Dockerfile

@@ -7,6 +7,9 @@ COPY ./artifacts/ssl/gosdn /app/ssl
 
 COPY .gitlab/ci/start_controller.sh ./start_controller.sh
 RUN chmod +x start_controller.sh
+
+RUN apt-get update && apt-get install -y curl bash wget nmap dnsutils iputils-ping
+
 ENTRYPOINT [ "./start_controller.sh" ]
 
 #FROM debian:bookworm-slim