add unzip and nano as basic tools

Dockerfile

@@ -6,13 +6,15 @@ ENV TZ=Europe/Paris
 ARG DEBIAN_FRONTEND=noninteractive
 
 RUN \
-  echo "**** install runtime dependencies ****" && \
+  echo "**** install needed tools and dependencies ****" && \
   apt-get update && \
   apt-get upgrade -y && \
   apt-get install -y \
-    nginx \
     apache2-utils \
-    openssh-server
+    nano \
+    nginx \
+    openssh-server \
+    unzip
 
 RUN \
   sed -i 's/worker_processes auto;/worker_processes 1;/' /etc/nginx/nginx.conf