Add missing permission to binary in docker image

Signed-off-by: Bryan Frimin <bryan@getprobo.com>

Dockerfile

@@ -7,11 +7,12 @@ LABEL org.opencontainers.image.vendor="Probo Inc"
 RUN useradd -m probo && \
     apt-get update && \
     apt-get upgrade -y && \
-    apt-get install -y ca-certificates && \
+    apt-get install -y ca-certificates libcap2-bin && \
     rm -rf /var/lib/apt/lists/*
 
 COPY probod /usr/local/bin/probod
-RUN chmod +x /usr/local/bin/probod
+RUN chmod +x /usr/local/bin/probod && \
+    setcap CAP_NET_BIND_SERVICE=+eip /usr/local/bin/probod
 
 USER probo