.gitlab-ci.yml: switch pages stage to use conda container

.gitlab-ci.yml

@@ -46,7 +46,6 @@ stages:
     - docker
     - docker-latest
     - nightly-pages
-    - verify
 
 # conda dev container
 .dependencies: &dependencies
@@ -267,41 +266,6 @@ test:offline:
     - pushes
   allow_failure: true
   
-pages:
-  image: containers.ligo.org/alexander.pace/gstlal-dev/gstlal-dev:el7
-  stage: nightly-pages
-  script:
-    # Install RPMs and set up the test environment:
-    - if [ -d rpmbuild ]; then yum -y install rpmbuild/RPMS/x86_64/*.rpm; fi
-    - gst-inspect-1.0
-    - export GSTLAL_FIR_WHITEN=0
-
-    - yum -y install python3-pip texlive* graphviz python36-matplotlib tzdata
-    - python3 -m pip install setuptools sphinx==1.7 sphinx_rtd_theme
-    - python3 -m pip install -U pytz
-    - mkdir -p public/
-    - cd doc; make html
-    - cd ..; cp -rf doc/_build/* public/
-  dependencies:
-    - level0:rpm:gstlal
-    - level1:rpm:gstlal-ugly
-    #- level2:rpm:gstlal-calibration
-    - level2:rpm:gstlal-inspiral
-    - level2:rpm:gstlal-burst
-    - test:gstlal
-    - test:gstlal-inspiral
-    - test:gstlal-burst
-  artifacts:
-    paths:
-      - public
-  only:
-    - master@lscsoft/gstlal
-    - schedules
-  except:
-    - web
-    - pushes
-  allow_failure: true
-    
 docker:el7:
   stage: docker
   before_script: []
@@ -439,3 +403,37 @@ latest_image:
     - docker push $DOCKER_LATEST
   retry:
     max: 2
+
+pages:
+  image: $CI_REGISTRY_IMAGE/conda:$CI_COMMIT_REF_NAME
+  stage: nightly-pages
+  before_script: []
+  script:
+    # install tex dependencies
+    - apt-get update -y
+    - apt-get install -y dvipng texlive-latex-base texlive-latex-extra
+
+    # install doc dependencies
+    - conda install -y -c conda-forge 'sphinx < 3.0' graphviz sphinx_rtd_theme
+
+    # build docs
+    - mkdir -p public/
+    - cd doc; make html
+
+    # save doc artifacts
+    - cd ..; cp -rf doc/_build/* public/
+  needs:
+    - docker:conda
+  artifacts:
+    paths:
+      - public
+  only:
+    - schedules
+    - pushes
+  #only:
+  #  - master@lscsoft/gstlal
+  #  - schedules
+  #except:
+  #  - web
+  #  - pushes
+  #allow_failure: true