Bump version 1.20.1 (#19)

Author: levonet

Dockerfile

@@ -1,6 +1,6 @@
 FROM alpine:3.12 AS build
 
-ENV NGINX_VERSION 1.19.10
+ENV NGINX_VERSION 1.20.1
 # https://github.com/nginx/njs
 ENV NJS_MODULE_VERSION 0.5.3
 # https://github.com/openresty/echo-nginx-module

README.md

@@ -2,9 +2,10 @@
 
 - [`latest` (*Dockerfile*)](https://github.com/levonet/docker-nginx/blob/master/Dockerfile)
 - [`1.19.10-alpine`, `1.19-alpine` (*Dockerfile*)](https://github.com/levonet/docker-nginx/blob/v1.19.10/Dockerfile) Mainline version
-- [`1.18.0-alpine`, `1.18-alpine` (*Dockerfile*)](https://github.com/levonet/docker-nginx/blob/v1.18.0/Dockerfile) Stable version
+- [`1.20.1-alpine`, `1.20-alpine` (*Dockerfile*)](https://github.com/levonet/docker-nginx/blob/v1.20.1/Dockerfile) Stable version
 - <details><summary>Older versions</summary>
 
+  - [`1.18.0-alpine`, `1.18-alpine` (*Dockerfile*)](https://github.com/levonet/docker-nginx/blob/v1.18.0/Dockerfile)
   - [`1.17.10-alpine`, `1.17-alpine` (*Dockerfile*)](https://github.com/levonet/docker-nginx/blob/v1.17.10/Dockerfile)
   - [`1.16.0-alpine`, `1.16-alpine` (*Dockerfile*)](https://github.com/levonet/docker-nginx/blob/v1.16.0/Dockerfile)
   - [`1.15.12-alpine`, `1.15-alpine` (*Dockerfile*)](https://github.com/levonet/docker-nginx/blob/v1.15.12/Dockerfile)