Fix docker build scheduled job

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

.gitlab-ci.yml

@@ -190,30 +190,6 @@ pages:
   services:
     - docker:stable-dind
   cache: {}
-  tags:
-    - "privileged"
-
-build-docker-main:
-  <<: *docker
-  rules:
-    - if: '$CI_PROJECT_NAMESPACE != "framasoft"'
-      when: never
-    - if: '$CI_PIPELINE_SOURCE == "schedule"'
-  before_script:
-    # Login to DockerHub
-    - mkdir -p ~/.docker
-    - echo "{\"auths\":{\"$CI_REGISTRY\":{\"auth\":\"$CI_REGISTRY_AUTH\",\"email\":\"$CI_REGISTRY_EMAIL\"}}}" > ~/.docker/config.json
-  script:
-    - docker build -t framasoft/mobilizon:main -f docker/production/Dockerfile .
-    - docker push framasoft/mobilizon:main
-
-build-docker-tag:
-  <<: *docker
-  rules: &tag-rules
-    - if: '$CI_PROJECT_NAMESPACE != "framasoft"'
-      when: never
-    - if: $CI_COMMIT_TAG
-  timeout: 3 hours
   before_script:
     # Install buildx
     - wget https://github.com/docker/buildx/releases/download/v0.6.3/buildx-v0.6.3.linux-amd64
@@ -229,6 +205,25 @@ build-docker-tag:
     # Login to DockerHub
     - mkdir -p ~/.docker
     - echo "{\"auths\":{\"$CI_REGISTRY\":{\"auth\":\"$CI_REGISTRY_AUTH\",\"email\":\"$CI_REGISTRY_EMAIL\"}}}" > ~/.docker/config.json
+  tags:
+    - "privileged"
+
+build-docker-main:
+  <<: *docker
+  rules:
+    - if: '$CI_PROJECT_NAMESPACE != "framasoft"'
+      when: never
+    - if: '$CI_PIPELINE_SOURCE == "schedule"'
+  script:
+    - docker buildx build --push --platform linux/amd64 -t framasoft/mobilizon:main -f docker/production/Dockerfile .
+
+build-docker-tag:
+  <<: *docker
+  rules: &tag-rules
+    - if: '$CI_PROJECT_NAMESPACE != "framasoft"'
+      when: never
+    - if: $CI_COMMIT_TAG
+  timeout: 3 hours
   script:
     - >
       docker buildx build