phonebook: import of phonebook.js code

Vendoring the `ns8` branch, starting from
nethesis/nethserver-phonebook-mysql@b5bccdb

phonebook/Containerfile

@@ -6,10 +6,9 @@ RUN apk add --no-cache \
         npm \
 	curl
 
-RUN	\
-	mkdir -p /usr/share/phonebookjs && \
-	curl -L https://github.com/nethesis/nethserver-phonebook-mysql/archive/refs/heads/ns8.tar.gz -o - | tar xzp --strip-component=5 -C /usr/share/phonebookjs nethserver-phonebook-mysql-ns8/root/usr/share/phonebookjs && \
-	cd /usr/share/phonebookjs && \
+RUN mkdir -p /usr/share/phonebookjs
+COPY package.json package-lock.json phonebook.js /usr/share/phonebookjs/
+RUN cd /usr/share/phonebookjs && \
 	npm install && \
 	mkdir -p /etc/certificates
 

phonebook/README.md

@@ -3,8 +3,16 @@
 Phonebook container for NethServer 8
 This container connects to MariaDB phonebook database, read the phonebook and expose it using LDAPS
 
+## phonebookjs
 
-Phonebook code repository is https://github.com/nethesis/nethserver-phonebook-mysql/tree/ns8
+phonebookjs is a daemon written in nodejs.
+The deamon is a simple LDAP server serving all records from phonebook database in LDAP format.
+
+Features:
+
+- all records are stored in-memory after the startup: to refresh the cache, restart the server
+- SSL and authentication are not supported
+- all search are case insensitive
 
 ## Environment variables