diff --git a/Containerfile b/Containerfile
index edd191c..ede100e 100644
--- a/Containerfile
+++ b/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"]
\ No newline at end of file
diff --git a/README.md b/README.md
index 9d4d5ff..1e14062 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # piazzaoptical.com
 
-Code for what once was piazzaoptical.com. Backend and frontend. Unfortunately, I lost the code of the final product; this is the code of a very early stage, and errors abound.
+Code for what once was piazzaoptical.com. Backend and frontend. Unfortunately, I lost the code of the final product; this is the code of a very early stage, and errors abound, as do lack of features.
 
 ## To use:
 
@@ -22,4 +22,13 @@ Finally, run a container based on this image (I chose to expose the container th
 
 ```bash
 podman run -it --rm -p 8004:8000 -v ${PWD}:/app localhost/piazzaoptical.com
-```
\ No newline at end of file
+```
+
+## Explore:
+
+Sample credentials:
+
+* Username `admin`, Password `admin`
+* Username `guest`, Password `buginoo`
+
+One can also not sign-in at all, rather "Apply for an Account", then sign-in as `admin` and accept the application, logout, and sign-in as the new account.
\ No newline at end of file
diff --git a/server/initialize-piazza-db.lua b/server/initialize-piazza-db.lua
index 840628a..a95cde1 100644
--- a/server/initialize-piazza-db.lua
+++ b/server/initialize-piazza-db.lua
@@ -7,13 +7,6 @@ local item = require('./models/item')
 user.setdb(db)
 item.setdb(db)
 
-user.new({
-  username = 'brian',
-  password = 'buginoO1$',
-  firstname = 'Brian',
-  lastname = 'Sakal',
-  is_admin = true
-  })
 user.new({
   username = 'guest',
   password = 'buginoo',
@@ -21,9 +14,9 @@ user.new({
   lastname = 'Beast'
   })
 user.new({
-  username = 'w',
-  password = 'w',
-  firstname = 'Test',
+  username = 'admin',
+  password = 'admin',
+  firstname = 'Demo Admin',
   lastname = 'User',
   is_admin = true
   })
diff --git a/server/piazza-lmdb.lua b/server/piazza-lmdb.lua
index 291669a..ddfe930 100644
--- a/server/piazza-lmdb.lua
+++ b/server/piazza-lmdb.lua
@@ -7,6 +7,7 @@ end})
 
 --local binser = require'binser'
 local bitser = require'bitser/bitser'
+bitser.includeMetatables(false)
 
 local lrandom = require'random'  -- 'lrandom' luarocks package
 local lrandom_sequence = lrandom.new(os.time())
diff --git a/server/piazza.lmdb b/server/piazza.lmdb
new file mode 100644
index 0000000..4a8b474
Binary files /dev/null and b/server/piazza.lmdb differ
diff --git a/server/server.lua b/server/server.lua
index bf46850..a83d378 100644
--- a/server/server.lua
+++ b/server/server.lua
@@ -17,6 +17,9 @@ local lpeg = require "lpeg"
 local uri_patts = require "lpeg_patterns.uri"
 local cjson = require "cjson"
 local mimetypes = require "mimetypes"
+
+local dbg = require("debugger")
+
 local api = require './piazza-api-lmdb'
 
 local replyJSON = function(t, stream)
@@ -261,6 +264,7 @@ local function reply(myserver, stream)
     function(err)
       print('ERROR: ', err)
       print(debug.traceback())
+      -- dbg()
     end)
 end