diff --git a/.github/workflows/cicd-1-pull-request.yaml b/.github/workflows/cicd-1-pull-request.yaml
index c1ba910a..5c8a2a03 100644
--- a/.github/workflows/cicd-1-pull-request.yaml
+++ b/.github/workflows/cicd-1-pull-request.yaml
@@ -89,7 +89,7 @@ jobs:
     secrets: inherit
   build-stage:
     name: 'Build stage'
-    needs: [metadata]
+    needs: [metadata, test-stage]
     uses: ./.github/workflows/stage-3-build.yaml
     with:
       build_datetime: '${{ needs.metadata.outputs.build_datetime }}'
diff --git a/.github/workflows/stage-2-test.yaml b/.github/workflows/stage-2-test.yaml
index 69b7ba9a..97536989 100644
--- a/.github/workflows/stage-2-test.yaml
+++ b/.github/workflows/stage-2-test.yaml
@@ -33,34 +33,156 @@ on:
         type: string
 
 jobs:
+  build-compose-cache:
+    name: "Build Docker Compose cache"
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - name: "Checkout code"
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      - name: "Set up Docker Buildx"
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f
+      - name: "Build asset_builder for cache"
+        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8
+        with:
+          context: .
+          target: asset_builder
+          push: false
+          load: true
+          tags: ${{ github.event.repository.name }}_asset_builder:latest
+          cache-from: type=gha,scope=compose-asset
+          cache-to: type=gha,scope=compose-asset,mode=min
+      - name: "Build web image for cache"
+        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8
+        with:
+          context: .
+          target: development
+          push: false
+          load: true
+          tags: ${{ github.event.repository.name }}_web:latest
+          cache-from: type=gha,scope=compose-web
+          cache-to: type=gha,scope=compose-web,mode=min
+
   test-unit:
     name: "Unit tests"
+    needs: [build-compose-cache]
     runs-on: ubuntu-latest
-    timeout-minutes: 5
+    timeout-minutes: 10
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      - name: "Set up Docker Buildx"
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f
+      - name: "Build asset_builder from cache"
+        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8
+        with:
+          context: .
+          target: asset_builder
+          push: false
+          load: true
+          tags: ${{ github.event.repository.name }}_asset_builder:latest
+          cache-from: type=gha,scope=compose-asset
+          cache-to: type=gha,scope=compose-asset,mode=min
+      - name: "Build web image from cache"
+        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8
+        with:
+          context: .
+          target: development
+          push: false
+          load: true
+          tags: ${{ github.event.repository.name }}_web:latest
+          cache-from: type=gha,scope=compose-web
+          cache-to: type=gha,scope=compose-web,mode=min
       - name: "Run unit test suite"
+        env:
+          COMPOSE_FILE: docker-compose.yml:docker-compose.ci.yml
+          COMPOSE_PROJECT_NAME: ${{ github.event.repository.name }}
         run: |
           cp .env.example .env
           make test-unit
       - name: "Save the result of fast test suite"
-        run: |
-          echo "Nothing to save"
+        run: echo "Nothing to save"
+
   test-lint:
     name: "Linting"
+    needs: [build-compose-cache]
     runs-on: ubuntu-latest
-    timeout-minutes: 5
+    timeout-minutes: 10
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      - name: "Set up Docker Buildx"
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f
+      - name: "Build asset_builder from cache"
+        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8
+        with:
+          context: .
+          target: asset_builder
+          push: false
+          load: true
+          tags: ${{ github.event.repository.name }}_asset_builder:latest
+          cache-from: type=gha,scope=compose-asset
+          cache-to: type=gha,scope=compose-asset,mode=min
+      - name: "Build web image from cache"
+        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8
+        with:
+          context: .
+          target: development
+          push: false
+          load: true
+          tags: ${{ github.event.repository.name }}_web:latest
+          cache-from: type=gha,scope=compose-web
+          cache-to: type=gha,scope=compose-web,mode=min
       - name: "Run linting"
+        env:
+          COMPOSE_FILE: docker-compose.yml:docker-compose.ci.yml
+          COMPOSE_PROJECT_NAME: ${{ github.event.repository.name }}
         run: |
           cp .env.example .env
           make test-lint
       - name: "Save the linting result"
+        run: echo "Nothing to save"
+
+  test-features:
+    name: "Feature tests"
+    needs: [build-compose-cache]
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - name: "Checkout code"
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      - name: "Set up Docker Buildx"
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f
+      - name: "Build asset_builder from cache"
+        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8
+        with:
+          context: .
+          target: asset_builder
+          push: false
+          load: true
+          tags: ${{ github.event.repository.name }}_asset_builder:latest
+          cache-from: type=gha,scope=compose-asset
+          cache-to: type=gha,scope=compose-asset,mode=min
+      - name: "Build web image from cache"
+        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8
+        with:
+          context: .
+          target: development
+          push: false
+          load: true
+          tags: ${{ github.event.repository.name }}_web:latest
+          cache-from: type=gha,scope=compose-web
+          cache-to: type=gha,scope=compose-web,mode=min
+      - name: "Run feature tests"
+        env:
+          COMPOSE_FILE: docker-compose.yml:docker-compose.ci.yml
+          COMPOSE_PROJECT_NAME: ${{ github.event.repository.name }}
         run: |
-          echo "Nothing to save"
+          cp .env.example .env
+          make test-features
+      - name: "Save result"
+        run: echo "Nothing to save"
+
   test-coverage:
     name: "Test coverage"
     needs: [test-unit]
@@ -68,7 +190,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
       - name: "Run test coverage check"
         run: |
           make test-coverage
@@ -85,7 +207,7 @@ jobs:
     timeout-minutes: 5
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:
           fetch-depth: 0 # Full history is needed to improving relevancy of reporting
       - name: "Perform static analysis"
diff --git a/.github/workflows/stage-4-acceptance.yaml b/.github/workflows/stage-4-acceptance.yaml
index 44bf0643..115e8d3f 100644
--- a/.github/workflows/stage-4-acceptance.yaml
+++ b/.github/workflows/stage-4-acceptance.yaml
@@ -87,7 +87,6 @@ jobs:
         uses: actions/checkout@v6
       - name: "Run UI test"
         run: |
-          cp .env.example .env
           make test-ui
       - name: "Save result"
         run: |
diff --git a/docker-compose.ci.yml b/docker-compose.ci.yml
new file mode 100644
index 00000000..d7634c19
--- /dev/null
+++ b/docker-compose.ci.yml
@@ -0,0 +1,11 @@
+# Used only in CI (COMPOSE_FILE=docker-compose.yml:docker-compose.ci.yml) to pin
+# pre-built image names so tests use the cached images instead of rebuilding.
+# Not loaded when running docker compose locally.
+
+services:
+  web:
+    image: ${COMPOSE_PROJECT_NAME}_web:latest
+    pull_policy: never
+  asset_builder:
+    image: ${COMPOSE_PROJECT_NAME}_asset_builder:latest
+    pull_policy: never
diff --git a/scripts/tests/ui.sh b/scripts/tests/features.sh
similarity index 90%
rename from scripts/tests/ui.sh
rename to scripts/tests/features.sh
index d3a5bda2..cbd03ab0 100755
--- a/scripts/tests/ui.sh
+++ b/scripts/tests/features.sh
@@ -1,4 +1,4 @@
-echo Running UI Tests
+echo Running Feature Tests
 
 if [[ -n "${TAG:-}" ]]; then
   TAG="--tags=$TAG"
diff --git a/scripts/tests/test.mk b/scripts/tests/test.mk
index 37d8f25f..fdd9b0f7 100644
--- a/scripts/tests/test.mk
+++ b/scripts/tests/test.mk
@@ -14,6 +14,9 @@ test-unit: # Run your unit tests from scripts/test/unit @Testing
 test-lint: # Lint your code from scripts/test/lint @Testing
 	make _test name="lint"
 
+test-features: # Run feature (Behave) tests @Testing
+	make _test name="features"
+
 test-coverage: # Evaluate code coverage from scripts/test/coverage @Testing
 	make _test name="coverage"
 
@@ -55,6 +58,7 @@ test: # Run all the test tasks @Testing
 	make \
 		test-unit \
 		test-lint \
+		test-features \
 		test-coverage \
 		test-contract \
 		test-security \
@@ -89,3 +93,4 @@ ${VERBOSE}.SILENT: \
 	test-ui \
 	test-ui-performance \
 	test-unit \
+	test-features \