Add Dockerfile for nodejs (#110)

* Add Dockerfile for nodejs DS Example

* Removed unnecessary lines

* Add expose 3000 port to Dockerfile

Co-authored-by: Cyger <cyger@centos7.server>

web/documentserver-example/nodejs/Dockerfile

@@ -0,0 +1,28 @@
+FROM node:buster
+LABEL maintainer Ascensio System SIA <support@onlyoffice.com>
+
+ENV LANG=en_US.UTF-8 \
+    LANGUAGE=en_US:en \
+    LC_ALL=en_US.UTF-8 \
+    NODE_ENV=production-linux \
+    NODE_CONFIG_DIR=/etc/onlyoffice/documentserver-example/
+
+WORKDIR /var/www/onlyoffice/documentserver-example/
+COPY . /var/www/onlyoffice/documentserver-example/
+
+RUN groupadd --system --gid 1001 ds && \
+    useradd --system -g ds --no-create-home --shell /sbin/nologin --uid 1001 ds && \
+    chown -R ds:ds /var/www/onlyoffice/documentserver-example/ && \
+    mkdir -p /var/lib/onlyoffice/documentserver-example/ && \
+    chown -R ds:ds /var/lib/onlyoffice/ && \
+    mv files /var/lib/onlyoffice/documentserver-example/ && \
+    mkdir -p /etc/onlyoffice/documentserver-example/ && \
+    chown -R ds:ds /etc/onlyoffice/ && \
+    mv config/* /etc/onlyoffice/documentserver-example/ && \
+    npm install
+
+EXPOSE 3000
+
+USER ds
+
+ENTRYPOINT /var/www/onlyoffice/documentserver-example/docker-entrypoint.sh npm start

web/documentserver-example/nodejs/docker-entrypoint.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+set -e
+export NODE_CONFIG='{
+	"server": {
+		"siteUrl": "'${DS_URL:-"/"}'",
+		"token": {
+			"enable": '${JWT_ENABLED:-false}',
+			"secret": "'${JWT_SECRET:-secret}'",
+			"authorizationHeader": "'${JWT_HEADER:-Authorization}'"
+		}
+	}
+}'
+exec "$@"