Properly LABEL this image.

Author: ProjectSynchro

naev/naev-macos/Dockerfile

@@ -1,7 +1,8 @@
 FROM ubuntu:20.04
 
-LABEL Description="MacOS cross-compile development environment for Naev, various dependencies for testing meson and autotools as well as additional Naev functionality."
-LABEL Author="Jack Greiner <[email protected]>"
+LABEL org.opencontainers.image.authors "Jack Greiner <[email protected]>" 
+LABEL org.opencontainers.image.source "https://github.com/ProjectSynchro/synchros-sexy-docker-containers" 
+LABEL org.opencontainers.image.description "MacOS cross-compile development environment for Naev, various dependencies for testing meson and autotools as well as additional Naev functionality.""
 
 # Add stable git PPA, deadsnakes ppa for python builds, and llvm apt repository (no building from source yay!)
 RUN apt-get update && apt-get install -y software-properties-common curl apt-transport-https && \

naev/naev-steamruntime/Dockerfile

@@ -1,7 +1,8 @@
 FROM registry.gitlab.steamos.cloud/steamrt/scout/sdk:latest
 
-LABEL Description="Steam runtime development environment for Naev, various dependencies for testing meson and autotools as well as additional Naev functionality."
-LABEL Author="Jack Greiner <[email protected]>"
+LABEL org.opencontainers.image.authors "Jack Greiner <[email protected]>" 
+LABEL org.opencontainers.image.source "https://github.com/ProjectSynchro/synchros-sexy-docker-containers" 
+LABEL org.opencontainers.image.description "Steam runtime development environment for Naev, various dependencies for testing meson and autotools as well as additional Naev functionality."
 
 # Add stable git PPA to sources, as well as the signing key to silence warnings
 RUN echo "deb http://ppa.launchpad.net/git-core/ppa/ubuntu precise main" | sudo tee -a /etc/apt/sources.list && \

naev/naev-ubuntu1604/Dockerfile

@@ -1,7 +1,8 @@
 FROM ubuntu:16.04
 
-LABEL Description="Ubuntu development environment for Naev, various dependencies for testing meson and autotools as well as additional Naev functionality."
-LABEL Author="Jack Greiner <[email protected]>"
+LABEL org.opencontainers.image.authors "Jack Greiner <[email protected]>" 
+LABEL org.opencontainers.image.source "https://github.com/ProjectSynchro/synchros-sexy-docker-containers" 
+LABEL org.opencontainers.image.description "Ubuntu 16.04 development environment for Naev, various dependencies for testing meson and autotools as well as additional Naev functionality."
 
 # Add stable git PPA, deadsnakes ppa for python builds, brightbox ppa for ruby, and llvm apt repository (no building from source yay!)
 RUN apt-get update && apt-get install -y software-properties-common curl apt-transport-https && \

naev/naev-ubuntu2004/Dockerfile

@@ -1,7 +1,8 @@
 FROM ubuntu:20.04
 
-LABEL Description="Ubuntu development environment for Naev, various dependencies for testing meson and autotools as well as additional Naev functionality."
-LABEL Author="Jack Greiner <[email protected]>"
+LABEL org.opencontainers.image.authors "Jack Greiner <[email protected]>" 
+LABEL org.opencontainers.image.source "https://github.com/ProjectSynchro/synchros-sexy-docker-containers" 
+LABEL org.opencontainers.image.description "Ubuntu 20.04 development environment for Naev, various dependencies for testing meson and autotools as well as additional Naev functionality."
 
 # Add stable git PPA, deadsnakes ppa for python builds, and llvm apt repository (no building from source yay!)
 RUN apt-get update && apt-get install -y software-properties-common curl apt-transport-https && \

naev/naev-windows/Dockerfile

@@ -1,7 +1,8 @@
 FROM ubuntu:18.04
 
-LABEL Description="Windows cross-compile development environment for Naev, various dependencies for testing meson and autotools as well as additional Naev functionality."
-LABEL Author="Jack Greiner <[email protected]>"
+LABEL org.opencontainers.image.authors "Jack Greiner <[email protected]>" 
+LABEL org.opencontainers.image.source "https://github.com/ProjectSynchro/synchros-sexy-docker-containers" 
+LABEL org.opencontainers.image.description "Windows cross-compile development environment for Naev, various dependencies for testing meson and autotools as well as additional Naev functionality."
 
 # Enable i386 arch in dpkg
 RUN dpkg --add-architecture i386