diff --git a/.forgejo/workflows/before_almalinux_8.yaml b/.forgejo/workflows/before_almalinux_8.yaml
index 32b4601..7f574b1 100644
--- a/.forgejo/workflows/before_almalinux_8.yaml
+++ b/.forgejo/workflows/before_almalinux_8.yaml
@@ -2,7 +2,7 @@ on: [push]
 jobs:
   job:
     container:
-      image: ${{vars.DOCKER||'docker.io'}}/almalinux:8
+      image: ${{vars.DOCKER}}almalinux:8
     steps:
     - name: spcd
       run: >
diff --git a/.forgejo/workflows/before_alpine_3.19.yaml b/.forgejo/workflows/before_alpine_3.19.yaml
index 0f1bc00..69dd0ff 100644
--- a/.forgejo/workflows/before_alpine_3.19.yaml
+++ b/.forgejo/workflows/before_alpine_3.19.yaml
@@ -2,7 +2,7 @@ on: [push]
 jobs:
   job:
     container:
-      image: ${{vars.DOCKER||'docker.io'}}/alpine:3.19
+      image: ${{vars.DOCKER}}alpine:3.19
     steps:
     - name: spcd
       run: >
diff --git a/.forgejo/workflows/before_archlinux_base-20231112.0.191179.yaml b/.forgejo/workflows/before_archlinux_base-20231112.0.191179.yaml
index 5980a5a..8daa820 100644
--- a/.forgejo/workflows/before_archlinux_base-20231112.0.191179.yaml
+++ b/.forgejo/workflows/before_archlinux_base-20231112.0.191179.yaml
@@ -2,7 +2,7 @@ on: [push]
 jobs:
   job:
     container:
-      image: ${{vars.DOCKER||'docker.io'}}/archlinux:base-20231112.0.191179
+      image: ${{vars.DOCKER}}archlinux:base-20231112.0.191179
     steps:
     - name: spcd
       run: >
diff --git a/.forgejo/workflows/before_debian_bullseye.yaml b/.forgejo/workflows/before_debian_bullseye.yaml
index 7cc0456..78c4059 100644
--- a/.forgejo/workflows/before_debian_bullseye.yaml
+++ b/.forgejo/workflows/before_debian_bullseye.yaml
@@ -2,7 +2,7 @@ on: [push]
 jobs:
   job:
     container:
-      image: ${{vars.DOCKER||'docker.io'}}/debian:bullseye
+      image: ${{vars.DOCKER}}debian:bullseye
     steps:
     - name: spcd
       run: >
diff --git a/.forgejo/workflows/before_fedora_39.yaml b/.forgejo/workflows/before_fedora_39.yaml
index 540a7c4..d151323 100644
--- a/.forgejo/workflows/before_fedora_39.yaml
+++ b/.forgejo/workflows/before_fedora_39.yaml
@@ -2,7 +2,7 @@ on: [push]
 jobs:
   job:
     container:
-      image: ${{vars.DOCKER||'docker.io'}}/fedora:39
+      image: ${{vars.DOCKER}}fedora:39
     steps:
     - name: spcd
       run: >
diff --git a/.forgejo/workflows/before_rockylinux_8.yaml b/.forgejo/workflows/before_rockylinux_8.yaml
index 41ce0a7..1e834d8 100644
--- a/.forgejo/workflows/before_rockylinux_8.yaml
+++ b/.forgejo/workflows/before_rockylinux_8.yaml
@@ -2,7 +2,7 @@ on: [push]
 jobs:
   job:
     container:
-      image: ${{vars.DOCKER||'docker.io'}}/rockylinux:8
+      image: ${{vars.DOCKER}}rockylinux:8
     steps:
     - name: spcd
       run: >
diff --git a/.forgejo/workflows/before_ubuntu_jammy.yaml b/.forgejo/workflows/before_ubuntu_jammy.yaml
index 51b7f82..100816b 100644
--- a/.forgejo/workflows/before_ubuntu_jammy.yaml
+++ b/.forgejo/workflows/before_ubuntu_jammy.yaml
@@ -2,7 +2,7 @@ on: [push]
 jobs:
   job:
     container:
-      image: ${{vars.DOCKER||'docker.io'}}/ubuntu:jammy
+      image: ${{vars.DOCKER}}ubuntu:jammy
     steps:
     - name: spcd
       run: >
diff --git a/.forgejo/workflows/latest_almalinux_9.yaml b/.forgejo/workflows/latest_almalinux_9.yaml
index 9592b82..4d94b10 100644
--- a/.forgejo/workflows/latest_almalinux_9.yaml
+++ b/.forgejo/workflows/latest_almalinux_9.yaml
@@ -2,7 +2,7 @@ on: [push]
 jobs:
   job:
     container:
-      image: ${{vars.DOCKER||'docker.io'}}/almalinux:9
+      image: ${{vars.DOCKER}}almalinux:9
     steps:
     - name: spcd
       run: >
diff --git a/.forgejo/workflows/latest_alpine_3.20.yaml b/.forgejo/workflows/latest_alpine_3.20.yaml
index 40ba169..5e91247 100644
--- a/.forgejo/workflows/latest_alpine_3.20.yaml
+++ b/.forgejo/workflows/latest_alpine_3.20.yaml
@@ -2,7 +2,7 @@ on: [push]
 jobs:
   job:
     container:
-      image: ${{vars.DOCKER||'docker.io'}}/alpine:3.20
+      image: ${{vars.DOCKER}}alpine:3.20
     steps:
     - name: spcd
       run: >
diff --git a/.forgejo/workflows/latest_archlinux_base-20240101.0.204074.yaml b/.forgejo/workflows/latest_archlinux_base-20240101.0.204074.yaml
index 762db90..b8e55a6 100644
--- a/.forgejo/workflows/latest_archlinux_base-20240101.0.204074.yaml
+++ b/.forgejo/workflows/latest_archlinux_base-20240101.0.204074.yaml
@@ -2,7 +2,7 @@ on: [push]
 jobs:
   job:
     container:
-      image: ${{vars.DOCKER||'docker.io'}}/archlinux:base-20240101.0.204074
+      image: ${{vars.DOCKER}}archlinux:base-20240101.0.204074
     steps:
     - name: spcd
       run: >
diff --git a/.forgejo/workflows/latest_debian_bookworm.yaml b/.forgejo/workflows/latest_debian_bookworm.yaml
index d8059a9..e7b1cbe 100644
--- a/.forgejo/workflows/latest_debian_bookworm.yaml
+++ b/.forgejo/workflows/latest_debian_bookworm.yaml
@@ -2,7 +2,7 @@ on: [push]
 jobs:
   job:
     container:
-      image: ${{vars.DOCKER||'docker.io'}}/debian:bookworm
+      image: ${{vars.DOCKER}}debian:bookworm
     steps:
     - name: spcd
       run: >
diff --git a/.forgejo/workflows/latest_fedora_40.yaml b/.forgejo/workflows/latest_fedora_40.yaml
index b3e27ba..7b2d521 100644
--- a/.forgejo/workflows/latest_fedora_40.yaml
+++ b/.forgejo/workflows/latest_fedora_40.yaml
@@ -2,7 +2,7 @@ on: [push]
 jobs:
   job:
     container:
-      image: ${{vars.DOCKER||'docker.io'}}/fedora:40
+      image: ${{vars.DOCKER}}fedora:40
     steps:
     - name: spcd
       run: >
diff --git a/.forgejo/workflows/latest_rockylinux_9.yaml b/.forgejo/workflows/latest_rockylinux_9.yaml
index 37ee425..3db20e1 100644
--- a/.forgejo/workflows/latest_rockylinux_9.yaml
+++ b/.forgejo/workflows/latest_rockylinux_9.yaml
@@ -2,7 +2,7 @@ on: [push]
 jobs:
   job:
     container:
-      image: ${{vars.DOCKER||'docker.io'}}/rockylinux:9
+      image: ${{vars.DOCKER}}rockylinux:9
     steps:
     - name: spcd
       run: >
diff --git a/.forgejo/workflows/latest_ubuntu_noble.yaml b/.forgejo/workflows/latest_ubuntu_noble.yaml
index 6135bae..7d004cd 100644
--- a/.forgejo/workflows/latest_ubuntu_noble.yaml
+++ b/.forgejo/workflows/latest_ubuntu_noble.yaml
@@ -2,7 +2,7 @@ on: [push]
 jobs:
   job:
     container:
-      image: ${{vars.DOCKER||'docker.io'}}/ubuntu:noble
+      image: ${{vars.DOCKER}}ubuntu:noble
     steps:
     - name: spcd
       run: >
diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 2f83aa6..c4e3598 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -3,7 +3,7 @@ jobs:
   job:
     runs-on: ubuntu-latest
     container:
-      image: ${{vars.DOCKER||'docker.io'}}/debian:bookworm
+      image: ${{vars.DOCKER}}debian:bookworm
     steps:
     - name: spcd
       run: >
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0ad2e71..2cde8c7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: ${DOCKER:-docker.io}/debian:bookworm
+image: ${DOCKER}debian:bookworm
 job:
   script:
   - >