change docker root exec

docker/database.yml

@@ -0,0 +1,5 @@
+development: &pgsql
+  url: <%= ENV['DATABASE_URL'] %>
+
+production: &production
+  <<: *pgsql

docker/entrypoint.sh

@@ -5,16 +5,29 @@ MSF_GROUP=msf
 TMP=${MSF_UID:=1000}
 TMP=${MSF_GID:=1000}
 
-# don't recreate system users like root
-if [ "$MSF_UID" -lt "1000" ]; then
-  MSF_UID=1000
+# if the user starts the container as root or another system user,
+# don't use a low privileged user as we mount the home directory
+if [ "$MSF_UID" -eq "0" ]; then
+  "$@"
+else
+  # if the users group already exists, create a random GID, otherwise
+  # reuse it
+  if ! grep ":$MSF_GID:" /etc/group > /dev/null; then
+    echo "asdf"
+    addgroup -g $MSF_GID $MSF_GROUP
+  else
+    addgroup $MSF_GROUP
+  fi
+
+  # check if user id already exists
+  if ! grep ":$MSF_UID:" /etc/passwd > /dev/null; then
+    echo "cvbb"
+    adduser -u $MSF_UID -D $MSF_USER -g $MSF_USER -G $MSF_GROUP $MSF_USER
+    # add user to metasploit group so it can read the source
+    addgroup $MSF_USER $METASPLOIT_GROUP
+    su-exec $MSF_USER "$@"
+  # fall back to root exec if the user id already exists
+  else
+    "$@"
+  fi
 fi
-
-if [ "$MSF_GID" -lt "1000" ]; then
-  MSF_GID=1000
-fi
-
-addgroup -g $MSF_GID $MSF_GROUP
-adduser -u $MSF_UID -D $MSF_USER -g $MSF_USER -G $MSF_GROUP $MSF_USER
-
-su-exec $MSF_USER "$@"