Only build ruby 3.1 image

Author: henrik242

.github/workflows/scheduled_jobs.yml

@@ -13,12 +13,6 @@ jobs:
     strategy:
       matrix:
         include:
-          - ruby_version: "2.7"
-            postgresql_version: 17
-          - ruby_version: "2.6"
-            postgresql_version: 17
-          - ruby_version: "3.0"
-            postgresql_version: 17
           - ruby_version: "3.1"
             postgresql_version: 17
     outputs:

Dockerfile

@@ -5,7 +5,7 @@ ENV TZ=Etc/UTC \
     LANG=C.UTF-8 \
     DEBIAN_FRONTEND=noninteractive
 
-# With super fun replacements for `curl` and `lsb_release`:
+# Using alternatives to `curl` and `lsb_release`:
 RUN ruby -ropen-uri -e 'File.write("/etc/apt/trusted.gpg.d/postgresql.asc", URI.open("https://www.postgresql.org/media/keys/ACCC4CF8.asc").read)' && \
     echo "deb https://apt.postgresql.org/pub/repos/apt $(sed -n 's/^VERSION_CODENAME=//p' /etc/os-release)-pgdg main" > /etc/apt/sources.list.d/pgdg.list
 

README.md

@@ -1,11 +1,11 @@
 What is this?
 --
-Ruby 2.6/2.7/3.0/3.1 docker image with PostgreSQL.
+Ruby 3.1 docker image with PostgreSQL.
 
 Rebuilt weekly.
 
 Usage
 --
 ```
-FROM ghcr.io/underskog/ruby-pg:2.7-pg17
+FROM ghcr.io/underskog/ruby-pg:3.1-pg17
 ```