Upgrade NGINX to 1.18.0 and FFmpeg to 4.3.1. (alfg#71)

* Upgrade NGINX to 1.18.0 and FFmpeg to 4.3.1.

* Fix readme.

Dockerfile

@@ -1,6 +1,6 @@
-ARG NGINX_VERSION=1.16.1
+ARG NGINX_VERSION=1.18.0
 ARG NGINX_RTMP_VERSION=1.2.1
-ARG FFMPEG_VERSION=4.2.2
+ARG FFMPEG_VERSION=4.3.1
 
 
 ##############################

README.md

@@ -2,9 +2,9 @@
 A Dockerfile installing NGINX, nginx-rtmp-module and FFmpeg from source with
 default settings for HLS live streaming. Built on Alpine Linux.
 
-* Nginx 1.16.1 (Stable version compiled from source)
+* Nginx 1.18.0 (Stable version compiled from source)
 * nginx-rtmp-module 1.2.1 (compiled from source)
-* ffmpeg 4.2.1 (compiled from source)
+* ffmpeg 4.3.1 (compiled from source)
 * Default HLS settings (See: [nginx.conf](nginx.conf))
 
 [![Docker Stars](https://img.shields.io/docker/stars/alfg/nginx-rtmp.svg)](https://hub.docker.com/r/alfg/nginx-rtmp/)
@@ -67,25 +67,25 @@ volumes:
 http://<server ip>:8080/live/$STREAM_NAME.m3u8
 ```
 * Example Playlist: `http://localhost:8080/live/hello.m3u8`
-* [VideoJS Player](https://video-dev.github.io/hls.js/stable/demo/?src=http%3A%2F%2Flocalhost%3A8080%2Flive%2Fhello.m3u8)
+* [VideoJS Player](https://hls-js.netlify.app/demo/?src=http%3A%2F%2Flocalhost%3A8080%2Flive%2Fhello.m3u8)
 * FFplay: `ffplay -fflags nobuffer rtmp://localhost:1935/stream/hello`
 
 ### FFmpeg Build
 ```
 $ ffmpeg -buildconf
 
-ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
-  built with gcc 6.4.0 (Alpine 6.4.0)
-  configuration: --prefix=/usr/local --enable-version3 --enable-gpl --enable-nonfree --enable-small --enable-libmp3lame --enable-libx264 --enable-libx265 --enable-libvpx --enable-libtheora --enable-libvorbis --enable-libopus --enable-libfdk-aac --enable-libass --enable-libwebp --enable-librtmp --enable-postproc --enable-avresample --enable-libfreetype --enable-openssl --disable-debug --disable-doc --disable-ffplay --extra-libs='-lpthread -lm'
-  libavutil      56. 31.100 / 56. 31.100
-  libavcodec     58. 54.100 / 58. 54.100
-  libavformat    58. 29.100 / 58. 29.100
-  libavdevice    58.  8.100 / 58.  8.100
-  libavfilter     7. 57.100 /  7. 57.100
+ffmpeg version 4.3.1 Copyright (c) 2000-2020 the FFmpeg developers
+  built with gcc 9.3.0 (Alpine 9.3.0)
+  configuration: --prefix=/usr/local --enable-version3 --enable-gpl --enable-nonfree --enable-small --enable-libmp3lame --enable-libx264 --enable-libx265 --enable-libvpx --enable-libtheora --enable-libvorbis --enable-libopus --enable-libfdk-aac --enable-libass --enable-libwebp --enable-postproc --enable-avresample --enable-libfreetype --enable-openssl --disable-debug --disable-doc --disable-ffplay --extra-libs='-lpthread -lm'
+  libavutil      56. 51.100 / 56. 51.100
+  libavcodec     58. 91.100 / 58. 91.100
+  libavformat    58. 45.100 / 58. 45.100
+  libavdevice    58. 10.100 / 58. 10.100
+  libavfilter     7. 85.100 /  7. 85.100
   libavresample   4.  0.  0 /  4.  0.  0
-  libswscale      5.  5.100 /  5.  5.100
-  libswresample   3.  5.100 /  3.  5.100
-  libpostproc    55.  5.100 / 55.  5.100
+  libswscale      5.  7.100 /  5.  7.100
+  libswresample   3.  7.100 /  3.  7.100
+  libpostproc    55.  7.100 / 55.  7.100
 
   configuration:
     --prefix=/usr/local
@@ -103,7 +103,6 @@ ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
     --enable-libfdk-aac
     --enable-libass
     --enable-libwebp
-    --enable-librtmp
     --enable-postproc
     --enable-avresample
     --enable-libfreetype