docker setup for main nightlies (#1752)

Co-authored-by: Cory Benfield <lukasa@apple.com>

Author: weissi

docker/docker-compose.2004.main.yaml

@@ -0,0 +1,65 @@
+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_addRemoveHandlers_handlercontext=9035
+      - MAX_ALLOCS_ALLOWED_1000_addRemoveHandlers_handlername=9035
+      - MAX_ALLOCS_ALLOWED_1000_addRemoveHandlers_handlertype=9035
+      - MAX_ALLOCS_ALLOWED_1000_autoReadGetAndSet=29050
+      - MAX_ALLOCS_ALLOWED_1000_autoReadGetAndSet_sync=50
+      - 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=181050 # regression from 5.3 which was 179010
+      - MAX_ALLOCS_ALLOWED_1000_udpbootstraps=2000
+      - MAX_ALLOCS_ALLOWED_1000_udpconnections=102050 # regression from 5.3 which was 101050
+      - MAX_ALLOCS_ALLOWED_1000_udp_reqs=16050
+      - MAX_ALLOCS_ALLOWED_1_reqs_1000_conn=473050 # regression from 5.3 which was 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=3050
+      - MAX_ALLOCS_ALLOWED_encode_1000_ws_frames_new_buffer_with_space=3050
+      - 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=204050 # regression from 5.3 which was 202050
+      # - SANITIZER_ARG=--sanitize=thread # TSan broken still
+
+  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