diff --git a/Jenkinsfile b/Jenkinsfile
index e6f9c5f..eac1a72 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -213,59 +213,38 @@ PY
     }
     stage('Run quality gate') {
       steps {
-        container('builder') {
+        container('tester') {
           sh '''
             set -euo pipefail
             mkdir -p build
-            case "${TEST_PLATFORM:-$(uname -m)}" in
-              x86_64|amd64|linux/amd64)
-                TEST_PLATFORM_RESOLVED=linux/amd64
-                ;;
-              aarch64|arm64|linux/arm64)
-                TEST_PLATFORM_RESOLVED=linux/arm64
-                ;;
-              *)
-                TEST_PLATFORM_RESOLVED=linux/amd64
-                ;;
-            esac
+            python3 -m pip install --no-cache-dir -r requirements.txt -r requirements-dev.txt
             set +e
-            docker buildx build --platform "${TEST_PLATFORM_RESOLVED}" --target test --load -t atlasbot-test .
-            prep_rc=$?
             docs_rc=1
             loc_rc=1
             tests_rc=1
             coverage_contract_rc=1
             gate_rc=1
-            if [ "${prep_rc}" -eq 0 ]; then
-              docker run --rm -v "$PWD/build:/out" atlasbot-test \
-                python -m ruff check atlasbot scripts --select E,F,W,B,C90,I,RUF,ARG --ignore E501
-              ruff_rc=$?
-              if [ "${ruff_rc}" -eq 0 ]; then
-                docker run --rm -v "$PWD/build:/out" atlasbot-test \
-                  python scripts/check_docstrings.py --root atlasbot
-                docs_rc=$?
-              else
-                docs_rc=${ruff_rc}
-              fi
-              docker run --rm -v "$PWD/build:/out" atlasbot-test \
-                python scripts/check_file_sizes.py --root atlasbot --max-lines 500
-              loc_rc=$?
-              docker run --rm -v "$PWD/build:/out" atlasbot-test \
-                python -m slipcover --json --out /out/coverage.json --source atlasbot --fail-under 95 \
-                -m pytest -q --junitxml /out/junit.xml
-              tests_rc=$?
-              docker run --rm -v "$PWD/build:/out" atlasbot-test \
-                python scripts/check_coverage.py /out/coverage.json --root atlasbot --threshold 95
-              coverage_contract_rc=$?
+            python -m ruff check atlasbot scripts --select E,F,W,B,C90,I,RUF,ARG --ignore E501
+            ruff_rc=$?
+            if [ "${ruff_rc}" -eq 0 ]; then
+              python scripts/check_docstrings.py --root atlasbot
+              docs_rc=$?
+            else
+              docs_rc=${ruff_rc}
             fi
+            python scripts/check_file_sizes.py --root atlasbot --max-lines 500
+            loc_rc=$?
+            python -m slipcover --json --out build/coverage.json --source atlasbot --fail-under 95 \
+              -m pytest -q --junitxml build/junit.xml
+            tests_rc=$?
+            python scripts/check_coverage.py build/coverage.json --root atlasbot --threshold 95
+            coverage_contract_rc=$?
             printf '%s\n' "${docs_rc}" > build/docs-naming.rc
-            if [ "${prep_rc}" -eq 0 ]; then
-              gate_rc=0
-              [ "${docs_rc}" -eq 0 ] || gate_rc=1
-              [ "${loc_rc}" -eq 0 ] || gate_rc=1
-              [ "${tests_rc}" -eq 0 ] || gate_rc=1
-              [ "${coverage_contract_rc}" -eq 0 ] || gate_rc=1
-            fi
+            gate_rc=0
+            [ "${docs_rc}" -eq 0 ] || gate_rc=1
+            [ "${loc_rc}" -eq 0 ] || gate_rc=1
+            [ "${tests_rc}" -eq 0 ] || gate_rc=1
+            [ "${coverage_contract_rc}" -eq 0 ] || gate_rc=1
             set -e
             printf '%s\n' "${gate_rc}" > build/quality-gate.rc
           '''