another attempt at fixing socat issue

src/Dockerfile

@@ -1,13 +1,14 @@
 # see https://pythonspeed.com/articles/alpine-docker-python/ for the reason we don't use alpine
 FROM python:3.8-slim
 RUN apt-get update \
-    && apt-get install -y --no-install-recommends git ssh socat wget curl libcairo2 python3-dev libffi-dev libreadline7 \
+    && apt-get install -y --no-install-recommends git ssh socat wget curl libcairo2 python3-dev libffi-dev socat \
     && apt-get purge -y --auto-remove \
     && rm -rf /var/lib/apt/lists/*
 
 # install a custom version of socat with readline enabled
-RUN wget https://launchpad.net/~ionel-mc/+archive/ubuntu/socat/+build/15532886/+files/socat_1.7.3.2-2ubuntu2ionelmc2~ppa1_amd64.deb
-RUN dpkg -i socat_1.7.3.2-2ubuntu2ionelmc2~ppa1_amd64.deb
+# disabled because of an issue with the libreadline7 dependency
+#RUN wget https://launchpad.net/~ionel-mc/+archive/ubuntu/socat/+build/15532886/+files/socat_1.7.3.2-2ubuntu2ionelmc2~ppa1_amd64.deb
+#RUN dpkg -i socat_1.7.3.2-2ubuntu2ionelmc2~ppa1_amd64.deb
 
 ENV CUSTOM_PLAYBOOKS_ROOT=/etc/robusta/config
 ENV ENV_TYPE=DEV

src/robusta/cli/main.py

@@ -276,7 +276,10 @@ def examples(
 @app.command()
 def playground():
     """open a python playground - useful when writing playbooks"""
-    exec_in_robusta_runner("socat readline unix-connect:/tmp/manhole-1")
+    typer.echo(
+        "this command is temporarily disabled due to recent changes to python:3.8-slim"
+    )
+    # exec_in_robusta_runner("socat readline unix-connect:/tmp/manhole-1")
 
 
 @app.command()