Ubuntu 21.04-based container images with GStreamer and plugins pre-installed
supports arm64 armv7 amd64 Following components are present:

• GStreamer 1.18.4
• gst-plugins-base
• gst-plugins-good
• gst-plugins-bad
• gst-plugins-ugly

Examples:
Gst test video from docker container. (change host ip to match yours)

docker run --rm -it sinamics/gstreamer videotestsrc ! x264enc ! video/x-h264, stream-format=byte-stream ! rtph264pay ! udpsink host=10.0.0.49 port=5600

Receiver command

gst-launch-1.0 -v udpsrc port=5600 caps="application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264" ! rtpjitterbuffer ! rtph264depay ! avdec_h264 ! videoconvert ! autovideosink sync=false

Base OS is Ubuntu 21.04.