added updated piazza.lmdb, debugger, and set bitser to not serialize metatables

Containerfile

@@ -1,12 +1,7 @@
-FROM docker.io/library/alpine:3.14
-# we need bash for luaver:
-RUN apk add --no-cache bash && echo "" > /root/.ash_history
-RUN sed -i -e "s/bin\/ash/bin\/bash/" /etc/passwd
-ENV LC_ALL=en_US.UTF-8
-# requirements for various luarocks packages:
-RUN apk add --no-cache build-base bsd-compat-headers m4 openssl-dev libmagic libuuid lmdb lmdb-dev git readline-dev autoconf automake libtool zlib-dev vips ncurses wget unzip openssl util-linux-dev
+FROM docker.io/library/debian:11
+RUN apt update && apt upgrade -y && apt install -y build-essential m4 libssl-dev libmagic-dev libuuid1 uuid-dev liblmdb0 liblmdb-dev git libreadline-dev autoconf automake libtool libz-dev libvips ncurses-bin wget unzip openssl
 # install luaver and install luarocks packages:
-RUN ln -s /usr/lib/libvips.so.42 /usr/lib/libvips.so \
+RUN ln -s /usr/lib/x86_64-linux-gnu/libvips.so.42 /usr/lib/libvips.so \
     && git config --global url."https://".insteadOf git:// \
     && git clone https://git.sakal.us/brian/luaver.git ~/.luaver
 RUN ["bash", "-c", "\
@@ -31,7 +26,8 @@ RUN ["bash", "-c", "\
     && luarocks install magic \
     && luarocks install lightningmdb \
     && luarocks install lua_uuid \
-    && luarocks install lua-vips"]
+    && luarocks install lua-vips \
+    && luarocks install debugger"]
 WORKDIR /app/server
 EXPOSE 8000
 CMD ["bash", "-c", "{ . ~/.luaver/luaver; } ; luajit ./server.lua"]