NOT DONE YET - allow containerization

a bunch was restructured to make it amenable to docker.

it works fine, except when writing to the db. trying to log in (thus creating a session)
will have Lapis throw "attempt to write a readonly database"

start.sh

@@ -1,12 +1,18 @@
 #!/bin/bash
 
+set -e
+
 start() {
   lapis serve
 }
 
 first_launch() {
   echo "Setting up for the first time"
-  touch ".first_launch.$LAPIS_ENVIRONMENT"
+  mkdir -p secrets
+  local SECRET
+  SECRET="$(openssl rand -hex 32)"
+  echo "return { key = \"${SECRET}\",}" > secrets/secrets.lua
+  touch "secrets/.touched.$LAPIS_ENVIRONMENT"
   mkdir -p data/db
   luajit schema.lua
   lapis migrate
@@ -22,7 +28,7 @@ fi
 
 echo "Starting in $LAPIS_ENVIRONMENT"
 
-if ! [ -f ".first_launch.$LAPIS_ENVIRONMENT" ]; then
+if ! [ -f ".touched.$LAPIS_ENVIRONMENT" ]; then
   first_launch
 fi