Bump node to latest LTS v16.13

Dockerfile

@@ -6,7 +6,7 @@
 
 
 # Build project
-FROM node:current-alpine AS builder
+FROM node:16.13-alpine3.13 AS builder
 ENV NODE_OPTIONS=--openssl-legacy-provider
 RUN set -x \
     # Add user
@@ -27,7 +27,7 @@ RUN set -x \
 
 
 # Main image
-FROM node:current-alpine
+FROM node:16.13-alpine3.13
 ENV NODE_OPTIONS=--openssl-legacy-provider
 RUN set -x \
     # Add user

README.md

@@ -81,7 +81,7 @@ A file sharing experiment which allows you to send encrypted files to other user
 
 ## Requirements
 
-- [Node.js 15.x](https://nodejs.org/)
+- [Node.js 16.x](https://nodejs.org/)
 - [Redis server](https://redis.io/) (optional for development)
 - [AWS S3](https://aws.amazon.com/s3/) or compatible service (optional)
 

package.json

@@ -59,7 +59,7 @@
     "cache": true
   },
   "engines": {
-    "node": "^15.5.1"
+    "node": "^16.13.0"
   },
   "devDependencies": {
     "@babel/core": "^7.16.0",