Update 'dockerfile'

dockerfile

@@ -1,6 +1,27 @@
 FROM ubuntu:22.04
 VOLUME /usr /lib /etc /var /bin /home /opt
 CMD /bin/bash
+
+RUN for key in 871920D1991BC93C; do \
+        gpg --recv-keys "$key" \
+        && gpg --export "$key" | apt-key add - ; \
+    done
+    
+RUN set -eux; \
+    apt update; \
+    apt install -y --no-install-recommends ca-certificates;
+
+RUN set -eux; \
+    apt update \
+    && apt full-upgrade -y \
+    && apt install -y \
+    curl \
+    wget \
+    nano \
+    telnet \
+    iputils-ping \
+    net-tools
+
 ADD https://git.dfosd.synology.me/docker/ubuntu-base/raw/branch/master/setup_programs.sh /setup_programs.sh
 RUN chmod +x /setup_programs.sh
 RUN /setup_programs.sh