add a suricata dockerfile

docker/suricata/Dockerfile

@@ -0,0 +1,37 @@
+FROM ubuntu:20.04
+# To avoid user interaction when installing libraries
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN  apt update  \
+     && apt install -y --no-install-recommends software-properties-common  \
+     && add-apt-repository ppa:oisf/suricata-beta  \
+     && apt update  \
+     && apt upgrade  \
+     && apt install -y --no-install-recommends  \
+    suricata \
+    tree \
+    tmux \
+    nano \
+    wget \
+    ca-certificates \
+    git \
+    curl \
+    gnupg \
+    lsb-release \
+    python3 \
+    python3-pip \
+    python3-certifi \
+    python3-dev \
+    build-essential \
+    file \
+    lsof \
+    iptables \
+    iproute2 \
+    python3-tzlocal \
+    net-tools \
+    vim \
+    less
+
+RUN pip3 install --no-cache-dir --upgrade pip
+WORKDIR /suricata/output
+CMD /bin/bash

plot/plot.py

@@ -15,7 +15,7 @@ def line(self,
         for metric in metrics_to_plot:
             y = []
             # Plot each metric as a separate line
-            for threshold, experiments  in metrics.items():
+            for threshold, experiments in metrics.items():
                 _sum = 0
                 for exp_name, exp_values in experiments.items():
                     _sum += exp_values[metric]