Update Dockerfile

Dockerfile

@@ -12,6 +12,13 @@ RUN apt-get update && apt-get install -y \
     git openssh-client && \
     rm -rf /var/lib/apt/lists/*
 
+RUN apt-get update && apt-get install -y git openssh-client
+RUN mkdir -p /root/.ssh
+RUN cp /run/secrets/SSH_PRIVATE_KEY /root/.ssh/id_rsa
+RUN chmod 600 /root/.ssh/id_rsa
+RUN ssh -T git@github.com
+    
+
 # Set work directory
 WORKDIR /app