feat: Unify containers

.github/workflows/GithubActionTests.yml

@@ -33,15 +33,12 @@ jobs:
           conda activate bioconda
           python setup.py install
 
-      - name: Build docker container
-        run: |
-          docker build -t quay.io/bioconda/bioconda-utils-build-env-cos7:latest ./
-          docker history quay.io/bioconda/bioconda-utils-build-env-cos7:latest
-          docker run --rm -t quay.io/bioconda/bioconda-utils-build-env-cos7:latest sh -lec 'type -t conda && conda info -a && conda list'
-          docker build -t quay.io/bioconda/bioconda-utils-test-env-cos7:latest -f ./Dockerfile.test ./
-
       - name: Run tests '${{ matrix.py_test_marker }}'
         run: |
+          export MULLED_CONDA_IMAGE="quay.io/bioconda/create-env:latest"
+          export DEFAULT_BASE_IMAGE="quay.io/bioconda/base-glibc-busybox-bash:latest"
+          export DEFAULT_EXTENDED_BASE_IMAGE="quay.io/bioconda/base-glibc-debian-bash:latest"
+          export DOCKER_BASE_IMAGE="quay.io/bioconda/bioconda-utils-build-env-cos7:latest"
           eval "$(conda shell.bash hook)"
           conda activate bioconda
           if git diff --name-only origin/master...HEAD | grep -vE ^docs; then