diff --git a/gencode-remote b/gencode-remote
index dcc766c..f59afda 100755
--- a/gencode-remote
+++ b/gencode-remote
@@ -19,44 +19,22 @@ case "$os_version" in
         exit 1
     ;;
 esac
-nextcloud_dir="/$__object_id"
-if [ ! "$nextcloud_dir" ]
+nextcloud_url=$(cat "$__object/parameter/url")
+if [ ! "${nextcloud_url}" ]
 then
-    echo "Missing nextcloud directory (object_id)." >&2
+    echo "Missing nextcloud uri (parameter/url)" >&2
     exit 1
 fi
-state=$(cat "$__object/parameter/state")
-exists=$(cat "$__object/explorer/exists")
-
-case "$state" in
-    present)
-        [ "$exists" = "yes" ] && exit 0
-
-        nextcloud_url=$(cat "$__object/parameter/nextcloud-uri")
-        if [ ! "${nextcloud_url}" ]
-        then
-            echo "Missing nextcloud uri (parameter/nextcloud-uri)" >&2
-            exit 1
-        fi
-        nextcloud_version=$(cat "$__object/parameter/nextcloud-version")
-        if [ ! "${nextcloud_version}" ]
-        then
-            echo "Missing nextcloud version (parameter/nextcloud-version)" >&2
-            exit 1
-        fi
-        nextcloud_uri="${nextcloud_url}${nextcloud_version}.tar.bz2"
-        cat <<eof
+nextcloud_version=$(cat "$__object/parameter/version")
+if [ ! "${nextcloud_version}" ]
+then
+    echo "Missing nextcloud version (parameter/version)" >&2
+    exit 1
+fi
+nextcloud_uri="${nextcloud_url}${nextcloud_version}.tar.bz2"
+# Download tar ball extract and apply script
+# TODO: verify shasum of tar ball
 curl -LO ${nextcloud_uri} -o ${nextcloud_dir}/nextcloud.tar.bz2
 tar -C /var/www -xvjf ${nextcloud_dir}/nextcloud.tar.bz2
 rm ${nextcloud_dir}/nextcloud.tar.bz2
 bash ${__object}/files/nextcloud.sh
-eof
-    ;;
-    absent)
-        # all done in manifest
-        :
-    ;;
-    *)
-        echo "Unknown state: $state" >&2
-        exit 1
-esac
diff --git a/manifest b/manifest
old mode 100644
new mode 100755
index 3b8c74c..367f0cc
--- a/manifest
+++ b/manifest
@@ -20,52 +20,19 @@ case "$os_version" in
     ;;
 esac
 
-nextcloud_dir="/$__object_id"
-if [ ! "$nextcloud_dir" ]
-then
-    echo "Missing nextcloud directory (object_id)." >&2
-    exit 1
-fi
-state=$(cat "$__object/parameter/state")
-exists=$(cat "$__object/explorer/exists")
-case "$state" in
-    present)
-        if [ "$exists" = "yes" ]
-        then
-           echo "${nextcloud_dir} already exists" >&2
-           exit 0
-        fi
+# Install packages
+for package in php7.0 php7.0-gd php7.0-json php7.0-pgsql php7.0-curl php7.0-mbstring \
+			   php7.0-intl php7.0-mcrypt php-imagick php7.0-xml php7.0-zip php7.0-bz2 \
+               postgresql nginx
+    do __package $package --state=present
+done
 
-		__package php7.0 --state=present
+# Nginx
+require="__package nginx" __file /etc/nginx/sites-enabled/nextcloud --owner www-data \
+    --group www-data \
+    --mode 755 --source "$__type/files/nextcloud.nginx" \
+    --state exists
 
-		# Install PHP
-		for package in php7.0-gd php7.0-json php7.0-pgsql php7.0-curl php7.0-mbstring \
-					   php7.0-intl php7.0-mcrypt php-imagick php7.0-xml php7.0-zip php7.0-bz2
-            do require="__package php7.0" __package $package --state=present
-        done
-
-		# Nginx
-		__package nginx --state=present
-		require="__package nginx" __file /etc/nginx/sites-enabled/nextcloud --owner www-data \
-            --group www-data \
-            --mode 755 --source "$__type/files/nextcloud.nginx" \
-            --state exists
-
-        # Postgres
-        __package postgresql --state=present
-        require="__package postgresql" __postgres_database nextcloud --owner nextcloud
-        require="__package/postgresql" __start_on_boot postgres
-
-	absent)
-        if [ "$exists" ]
-        then
-			__process postgres --state absent \
-                --stop "service postgres stop" \
-                --name ".*postgres .*"
-            __start_on_boot postgres --state absent
-        fi
-    ;;
-    *)
-        echo "Unknown state: $state" >&2
-        exit 1
-esac
+# Postgres
+require="__package postgresql" __postgres_database nextcloud --owner nextcloud
+require="__package/postgresql" __start_on_boot postgres
diff --git a/parameter/default/nextcloud-uri b/parameter/default/nextcloud-uri
deleted file mode 100644
index 7f88dc8..0000000
--- a/parameter/default/nextcloud-uri
+++ /dev/null
@@ -1 +0,0 @@
-https://download.nextcloud.com/server/releases/
diff --git a/parameter/default/nextcloud-version b/parameter/default/nextcloud-version
deleted file mode 100644
index a1ea332..0000000
--- a/parameter/default/nextcloud-version
+++ /dev/null
@@ -1 +0,0 @@
-11.0.2
diff --git a/parameter/state b/parameter/state
deleted file mode 100644
index e69de29..0000000
diff --git a/explorer/state b/singleton
similarity index 100%
rename from explorer/state
rename to singleton