From a1e15e34328f9c8c440ccff76a1a0f9c33927376 Mon Sep 17 00:00:00 2001
From: Juha Ristolainen <juha.ristolainen@iki.fi>
Date: Fri, 21 Jul 2023 12:14:09 +0200
Subject: [PATCH] More metadata in the Dockerfile.

---
 .github/workflows/docker-image.yml | 4 +++-
 Dockerfile                         | 5 ++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 95608d7..d1abc04 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -35,7 +35,9 @@ jobs:
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
-            type=schedule
+            # set latest tag for main branch
+            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}
+            type=schedule,pattern={{date 'YYYYMMDD-hhmmss' tz='Europe/Berlin'}}
             type=ref,event=branch
             type=ref,event=pr
             type=semver,pattern={{version}}
diff --git a/Dockerfile b/Dockerfile
index 00e031a..70f2db8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,10 @@ FROM golang:1.20.6-bookworm
 ########################################
 # METADATA
 LABEL author="Juha Ristolainen <juha.ristolainen@iki.fi>"
+LABEL org.opencontainers.image.vendor="Juha Ristolainen"
+LABEL org.opencontainers.image.source="https://github.com/riussi/docker-build-image-go"
+LABEL org.opencontainers.image.description="My personal Go builder-image"
+LABEL org.opencontainers.image.licenses="Apache 2.0"
 
 ########################################
 # ARGUMENTS
@@ -11,7 +15,6 @@ ARG USER=dev
 
 ########################################
 # ENVIRONMENT
-# GITHUB_TOKEN, GITLAB_TOKEN and GITEA_TOKEN
 ENV DEBIAN_FRONTEND "noninteractive"
 ENV HOME /home/${USER}
 ENV GOLANGCILINT_VERSION 1.53.3