diff --git a/docker/docker-compose.2004.main.yaml b/docker/docker-compose.2004.main.yaml
new file mode 100644
index 00000000..897b5a52
--- /dev/null
+++ b/docker/docker-compose.2004.main.yaml
@@ -0,0 +1,60 @@
+version: "3"
+
+services:
+
+  runtime-setup:
+    image: swift-nio:20.04-main
+    build:
+      args:
+        base_image: "swiftlang/swift:nightly-main-focal"
+        ubuntu_version: "focal"
+
+  unit-tests:
+    image: swift-nio:20.04-main
+
+  integration-tests:
+    image: swift-nio:20.04-main
+
+  test:
+    image: swift-nio:20.04-main
+    environment:
+      - MAX_ALLOCS_ALLOWED_1000_addHandlers=47050
+      - MAX_ALLOCS_ALLOWED_1000_addHandlers_sync=40050
+      - MAX_ALLOCS_ALLOWED_1000_getHandlers=12050
+      - MAX_ALLOCS_ALLOWED_1000_getHandlers_sync=50
+      - MAX_ALLOCS_ALLOWED_1000_reqs_1_conn=30540
+      - MAX_ALLOCS_ALLOWED_1000_tcpbootstraps=4100
+      - MAX_ALLOCS_ALLOWED_1000_tcpconnections=179010
+      - MAX_ALLOCS_ALLOWED_1000_udp_reqs=16050
+      - MAX_ALLOCS_ALLOWED_1000_udpbootstraps=2000
+      - MAX_ALLOCS_ALLOWED_1000_udpconnections=101050
+      - MAX_ALLOCS_ALLOWED_1_reqs_1000_conn=471050
+      - MAX_ALLOCS_ALLOWED_bytebuffer_lots_of_rw=2100
+      - MAX_ALLOCS_ALLOWED_creating_10000_headers=100
+      - MAX_ALLOCS_ALLOWED_decode_1000_ws_frames=2000
+      - MAX_ALLOCS_ALLOWED_encode_1000_ws_frames_holding_buffer=1000
+      - MAX_ALLOCS_ALLOWED_encode_1000_ws_frames_holding_buffer_with_space=1000
+      - MAX_ALLOCS_ALLOWED_encode_1000_ws_frames_new_buffer=5010
+      - MAX_ALLOCS_ALLOWED_encode_1000_ws_frames_new_buffer_with_space=5010
+      - MAX_ALLOCS_ALLOWED_future_lots_of_callbacks=75010
+      - MAX_ALLOCS_ALLOWED_modifying_1000_circular_buffer_elements=50
+      - MAX_ALLOCS_ALLOWED_modifying_byte_buffer_view=2010
+      - MAX_ALLOCS_ALLOWED_ping_pong_1000_reqs_1_conn=4440
+      - MAX_ALLOCS_ALLOWED_read_10000_chunks_from_file=190500
+      - MAX_ALLOCS_ALLOWED_schedule_10000_tasks=90050
+      - MAX_ALLOCS_ALLOWED_scheduling_10000_executions=20150
+      - MAX_ALLOCS_ALLOWED_udp_1000_reqs_1_conn=16250
+      - MAX_ALLOCS_ALLOWED_udp_1_reqs_1000_conn=202050
+      - SANITIZER_ARG=--sanitize=thread
+
+  performance-test:
+    image: swift-nio:20.04-main
+
+  shell:
+    image: swift-nio:20.04-main
+
+  echo:
+    image: swift-nio:20.04-main
+
+  http:
+    image: swift-nio:20.04-main