diff --git a/.github/workflows/gap.yml b/.github/workflows/gap.yml
index e893fbf38..021cbe028 100644
--- a/.github/workflows/gap.yml
+++ b/.github/workflows/gap.yml
@@ -105,3 +105,35 @@ jobs:
       - uses: gap-actions/run-pkg-tests@cygwin-v2
       - uses: gap-actions/process-coverage@cygwin-v2
       - uses: codecov/codecov-action@v3
+
+  with-external-planarity-bliss:
+    runs-on: "ubuntu-latest"
+    env:
+      GAPBRANCH: "stable-4.12"
+      ABI: 64
+      PKG_CONFIG_PATH: "/home/runner/micromamba/envs/digraphs/lib/pkgconfig:/home/runner/micromamba/envs/digraphs/share/pkgconfig/"
+      LD_LIBRARY_PATH: "/home/runner/micromamba/envs/digraphs/lib"
+      CFLAGS: "-I/home/runner/micromamba/envs/digraphs/include"
+      LDFLAGS: "-L/home/runner/micromamba/envs/digraphs/lib"
+    defaults:
+      run:
+        shell: bash -l {0}
+    steps:
+      - uses: actions/checkout@v3
+      - name: "Install micromamba environment from environment.yml . . ."
+        uses: mamba-org/setup-micromamba@v1
+        with:
+            environment-file: environment.yml
+            cache-environment: true
+      - name: "Activate \"digraphs\" environment . . ."
+        run:  micromamba activate digraphs
+      - name: "Install GAP and clone/compile necessary packages"
+        uses: gap-actions/setup-gap@v2
+        with:
+          GAP_PKGS_TO_BUILD: "io orb profiling grape datastructures"
+      - name: "Build Digraphs"
+        uses: gap-actions/build-pkg@v1
+        with:
+          CONFIGFLAGS: --with-external-planarity --with-external-bliss
+      - name: "Run Digraphs package's tst/teststandard.g"
+        uses: gap-actions/run-pkg-tests@v2
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 5dfe9596b..927cfa82a 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -79,12 +79,3 @@ jobs:
   steps:
   - script: ci/azure-gap.sh
     displayName: 'Running the Digraphs package for GAP tests in docker container. . .'
-- job: external_planarity_bliss
-  variables:
-    SUITE: conda
-    ABI: 64
-    GAP_VERSION: 4.11.0
-    PACKAGES: required
-  steps:
-  - script: ci/azure-gap.sh
-    displayName: 'Running the Digraphs package for GAP tests in docker container. . .'
diff --git a/ci/docker-test.sh b/ci/docker-test.sh
index d1f59d0c4..80443f97c 100755
--- a/ci/docker-test.sh
+++ b/ci/docker-test.sh
@@ -14,27 +14,27 @@ bold() {
 # Check required environment variables are set
 ################################################################################
 
-if [[ -z "${SUITE}" ]] ; then 
+if [[ -z "${SUITE}" ]] ; then
   bold "Error, environment variable SUITE is undefined"
   exit 1
 fi
 
-if [[ -z "${GAP_HOME}" ]] ; then 
+if [[ -z "${GAP_HOME}" ]] ; then
   bold "Error, environment variable GAP_HOME is undefined"
   exit 1
 fi
 
-if [[ -z "${GAP_VERSION}" ]] ; then 
+if [[ -z "${GAP_VERSION}" ]] ; then
   bold "Error, environment variable GAP_VERSION is undefined"
   exit 1
 fi
 
-if [[ -z "${DIGRAPHS_LIB}" ]] ; then 
+if [[ -z "${DIGRAPHS_LIB}" ]] ; then
   bold "Error, environment variable GAP_VERSION is undefined"
   exit 1
 fi
 
-if [[ -z "${PACKAGES}" ]] ; then 
+if [[ -z "${PACKAGES}" ]] ; then
   bold "Error, environment variable GAP_VERSION is undefined"
   exit 1
 fi
@@ -44,7 +44,7 @@ if [ "$SUITE" == "coverage" ] && [ -z "${THRESHOLD}" ] ; then
   exit 1
 fi
 
-if [ "$SUITE" != "test" ] && [ "$SUITE" != "coverage" ] && [ "$SUITE" != "conda" ] ; then
+if [ "$SUITE" != "test" ] && [ "$SUITE" != "coverage" ] ; then
   bold "Error, unrecognised suite: $SUITE"
   exit 1
 fi
@@ -62,14 +62,14 @@ GAPSH="$GAP_HOME/bin/gap.sh"
 DIG_DIR="$GAP_HOME/pkg/digraphs"
 
 ################################################################################
-# Install system dependencies 
+# Install system dependencies
 ################################################################################
 
 bold "Installing dependencies (apt-get). . ."
 sudo apt-get --yes update
 sudo apt-get install libtool curl git xdg-utils --yes
 
-if [ "$GAP_VERSION" == "master" ]; then 
+if [ "$GAP_VERSION" == "master" ]; then
   # Stops the documentation from failing to compile because enumitem.sty isn't
   # available
   sudo apt-get remove texlive-latex-base --yes
@@ -79,25 +79,6 @@ if [ "$SUITE" == "coverage" ]; then
   sudo apt-get install python3 --yes
 fi
 
-if [ "$SUITE" == "conda" ]; then
-  bold "Installing dependencies (conda). . ."
-  wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh;
-  chmod +x miniconda.sh;
-  ./miniconda.sh -b;
-  export PATH=/home/gap/miniconda3/bin:$PATH;
-  conda update --yes conda;
-  conda install -c conda-forge --yes mamba;
-  mamba install -c conda-forge --yes bliss;
-  mamba install -c conda-forge --yes planarity;
-  export PKG_CONFIG_PATH="/home/gap/miniconda3/lib/pkgconfig:/home/gap/miniconda3/share/pkgconfig"
-  export LD_LIBRARY_PATH="/home/gap/miniconda3/lib"
-  export CFLAGS="-I/home/gap/miniconda3/include"
-  export LDFLAGS="-L/home/gap/miniconda3/lib"
-  EXTREME=no
-  EXTRA_PKG_FLAGS="--with-external-planarity --with-external-bliss --without-intrinsics"
-  SUITE="test"
-fi
-
 bold "Fixing permissions . . . "
 sudo chown -R gap: $GAP_HOME/pkg/digraphs
 
@@ -147,7 +128,7 @@ for PKG in "${PKGS[@]}"; do
   else
     VERSION=`grep "\"$PKG\"" $GAP_HOME/pkg/digraphs/PackageInfo.g | awk -F'"' '{print $4}' | cut -c3-`
   fi
-  
+
   if [ -z $VERSION ]; then
     bold "Could not determine the version number of the package $PKG!! Aborting..."
     exit 1
diff --git a/environment.yml b/environment.yml
new file mode 100644
index 000000000..def1b5cfe
--- /dev/null
+++ b/environment.yml
@@ -0,0 +1,8 @@
+name: digraphs
+
+channels:
+  - conda-forge
+
+dependencies:
+  - bliss
+  - planarity