Update Nginx and ffmpeg (#137)

Update default SSL config (#133)

* Update default SSL config

Disable insecure ciphers and protocols. Bump ssl_session_timeout to recommended 1d. 
Based on Mozilla Guideline v5.6.

* Update nginx-cuda.conf

Bump nvidia/cuda (#131)

Bumps nvidia/cuda from 11.6.0-devel-ubuntu20.04 to 11.7.0-devel-ubuntu20.04.

---
updated-dependencies:
- dependency-name: nvidia/cuda
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Update Nginx, Alpine and ffmpeg (#105)

* Update Nginx, Alpine and ffmpeg

* Update versions on cuda image too

* Reference new versions in README too

* Remove avresample, it's deprecated and removed in ffmpeg 5.0

Update Docker workflow to build and push to Docker Hub.

FFmpeg 4.4 (#95)

* FFmpeg 4.4

* upgrade: ffmpeg 4.4 for cuda image and update readme.

Set Alpine:3.13 for ffmpeg-build and release image as well.

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

* Upgrade NGINX to 1.18.0 and FFmpeg to 4.3.1.

* Fix readme.

Add /etc/nginx files to release image before copying over the nginx t…

…emplate.