diff --git a/config/celery.ini b/config/celery.ini
deleted file mode 100644
index 53a358c5843..00000000000
--- a/config/celery.ini
+++ /dev/null
@@ -1,14 +0,0 @@
-[env]
-PYTHONPATH = lib
-
-[watcher:celery]
-cmd = celery
-args = --app galaxy.celery worker --concurrency 2 -l debug
-copy_env = True
-numprocesses = 1
-
-[watcher:celery-beat]
-cmd = celery
-args = --app galaxy.celery beat -l debug
-copy_env = True
-numprocesses = 1
diff --git a/config/dev.ini b/config/dev.ini
deleted file mode 100644
index 56bd44ee53f..00000000000
--- a/config/dev.ini
+++ /dev/null
@@ -1,28 +0,0 @@
-[circus]
-debug = True
-include = celery.ini
-
-[env]
-PYTHONPATH=lib
-
-[watcher:web]
-cmd = gunicorn 'galaxy.webapps.galaxy.fast_factory:factory()' --timeout 300 --pythonpath lib -k galaxy.webapps.galaxy.workers.Worker -b fd://$(circus.sockets.web)
-send_hup = true
-numprocesses = 1
-use_sockets = True
-stop_signal = TERM
-stop_children = True
-copy_env = True
-
-[watcher:client]
-working_dir = client
-cmd = yarn watch
-numprocesses = 1
-singleton = True
-copy_env = True
-stop_signal = TERM
-stop_children = True
-
-[socket:web]
-host = 0.0.0.0
-port = 8080
diff --git a/lib/galaxy/dependencies/dev-requirements.txt b/lib/galaxy/dependencies/dev-requirements.txt
index 1fae4986f0c..4b56f913c0d 100644
--- a/lib/galaxy/dependencies/dev-requirements.txt
+++ b/lib/galaxy/dependencies/dev-requirements.txt
@@ -64,6 +64,7 @@ fs==2.4.14
 funcsigs==1.0.2
 future==0.18.2; (python_version >= "2.6" and python_full_version < "3.0.0") or (python_full_version >= "3.3.0")
 galaxy-sequence-utils==1.1.5
+gravity==0.10.0
 greenlet==1.1.2; python_version >= "3" and python_full_version < "3.0.0" and (platform_machine == "aarch64" or platform_machine == "ppc64le" or platform_machine == "x86_64" or platform_machine == "amd64" or platform_machine == "AMD64" or platform_machine == "win32" or platform_machine == "WIN32") and (python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.6.0") and (python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "4.0" or python_version >= "3.6" and python_version < "4.0" and python_full_version >= "3.6.0") or python_version >= "3" and (platform_machine == "aarch64" or platform_machine == "ppc64le" or platform_machine == "x86_64" or platform_machine == "amd64" or platform_machine == "AMD64" or platform_machine == "win32" or platform_machine == "WIN32") and (python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.6.0") and (python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "4.0" or python_version >= "3.6" and python_version < "4.0" and python_full_version >= "3.6.0") and python_full_version >= "3.5.0"
 gunicorn==20.1.0; python_version >= "3.5"
 gxformat2==0.15.0
@@ -218,6 +219,7 @@ tzlocal==2.1; python_version >= "2.7" and python_full_version < "3.0.0" or pytho
 ubiquerg==0.6.2
 urllib3==1.26.8; python_version >= "3.7" and python_full_version < "3.0.0" and python_version < "4" or python_full_version >= "3.6.0" and python_version < "4" and python_version >= "3.7"
 uvicorn==0.16.0
+uvloop==0.16.0
 vine==5.0.0; python_version >= "3.7"
 watchdog==2.1.6; python_version >= "3.6"
 wcwidth==0.2.5; python_full_version >= "3.6.2" and python_version >= "3.7"
diff --git a/lib/galaxy/dependencies/pinned-requirements.txt b/lib/galaxy/dependencies/pinned-requirements.txt
index d17470a770b..a5760d762a9 100644
--- a/lib/galaxy/dependencies/pinned-requirements.txt
+++ b/lib/galaxy/dependencies/pinned-requirements.txt
@@ -55,7 +55,9 @@ fs==2.4.14
 funcsigs==1.0.2
 future==0.18.2; (python_version >= "2.6" and python_full_version < "3.0.0") or (python_full_version >= "3.3.0")
 galaxy-sequence-utils==1.1.5
+gravity==0.10.0
 greenlet==1.1.2; python_version >= "3" and python_full_version < "3.0.0" and (platform_machine == "aarch64" or platform_machine == "ppc64le" or platform_machine == "x86_64" or platform_machine == "amd64" or platform_machine == "AMD64" or platform_machine == "win32" or platform_machine == "WIN32") and (python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.6.0") and (python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "4.0" or python_version >= "3.6" and python_version < "4.0" and python_full_version >= "3.6.0") or python_version >= "3" and (platform_machine == "aarch64" or platform_machine == "ppc64le" or platform_machine == "x86_64" or platform_machine == "amd64" or platform_machine == "AMD64" or platform_machine == "win32" or platform_machine == "WIN32") and (python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.6.0") and (python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "4.0" or python_version >= "3.6" and python_version < "4.0" and python_full_version >= "3.6.0") and python_full_version >= "3.5.0"
+gunicorn==20.1.0; python_version >= "3.5"
 gxformat2==0.15.0
 h11==0.12.0; python_version >= "3.6"
 h5py==3.6.0; python_version >= "3.7"
@@ -155,6 +157,7 @@ tzlocal==2.1; python_version >= "2.7" and python_full_version < "3.0.0" or pytho
 ubiquerg==0.6.2
 urllib3==1.26.8; python_version >= "3.6" and python_full_version < "3.0.0" and python_version < "4" or python_full_version >= "3.6.0" and python_version < "4" and python_version >= "3.6"
 uvicorn==0.16.0
+uvloop==0.16.0
 vine==5.0.0; python_version >= "3.7"
 wcwidth==0.2.5; python_full_version >= "3.6.2" and python_version >= "3.7"
 webencodings==0.5.1; python_version >= "3.6"
diff --git a/pyproject.toml b/pyproject.toml
index c758328aeb5..0b3447b03f1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,6 +38,8 @@ fastapi-utils = "*"
 fs = "*"
 future = "*"
 galaxy_sequence_utils = "*"
+gravity = ">=0.10.0"
+gunicorn = "*"
 gxformat2 = "*"
 h5py = "*"
 importlib_resources = "*"
@@ -82,6 +84,7 @@ tifffile = "*"
 tuswsgi = "*"
 typing-extensions = "*"
 uvicorn = "*"
+uvloop = "*"
 WebOb = "*"
 Whoosh = "*"
 zipstream-new = "*"
@@ -90,7 +93,6 @@ zipstream-new = "*"
 cwltest = "2.2.20210901154959"
 darker = "*"
 fluent-logger = "*"
-gunicorn = "*"
 httpx = "*"
 lxml = "!=4.2.2"
 markdown-it-reporter = "*"
diff --git a/scripts/common_startup_functions.sh b/scripts/common_startup_functions.sh
index 0996fc880dc..dc62769b741 100644
--- a/scripts/common_startup_functions.sh
+++ b/scripts/common_startup_functions.sh
@@ -25,7 +25,6 @@ parse_common_args() {
                 ;;
             --stop-daemon|stop)
                 common_startup_args="$common_startup_args --stop-daemon"
-                circusctl_args="$circusctl_args quit"
                 paster_args="$paster_args --stop-daemon"
                 add_pid_arg=1
                 uwsgi_args="$uwsgi_args --stop \"$PID_FILE\""
@@ -33,7 +32,6 @@ parse_common_args() {
                 shift
                 ;;
             --restart|restart)
-                circusctl_args="$circusctl_args restart"
                 paster_args="$paster_args restart"
                 add_pid_arg=1
                 add_log_arg=1
@@ -43,7 +41,6 @@ parse_common_args() {
                 shift
                 ;;
             --daemon|start)
-                circusd_args="$circusd_args --daemon --log-output $LOG_FILE"
                 paster_args="$paster_args --daemon"
                 gunicorn_args="$gunicorn_args --daemon"
                 GALAXY_DAEMON_LOG="$GALAXY_LOG"
@@ -57,7 +54,6 @@ parse_common_args() {
                 ;;
             --status|status)
                 paster_args="$paster_args $1"
-                circusctl_args="$circusctl_args $1"
                 add_pid_arg=1
                 shift
                 ;;
@@ -70,7 +66,6 @@ parse_common_args() {
                 ;;
             *)
                 paster_args="$paster_args $1"
-                circusctl_args="$circusctl_args $1"
                 uwsgi_args="$uwsgi_args $1"
                 shift
                 ;;
@@ -154,15 +149,9 @@ find_server() {
     server_config=$1
     server_app=$2
     arg_getter_args=
-    default_webserver="paste"
-    case "$server_config" in
-        *.y*ml|''|none)
-            default_webserver="uwsgi"  # paste incapable of this
-            ;;
-    esac
+    default_webserver="gravity"
 
     APP_WEBSERVER=${APP_WEBSERVER:-$default_webserver}
-    CIRCUS_CONFIG_FILE=${CIRCUS_CONFIG_FILE:-config/dev.ini}
     if [ "$APP_WEBSERVER" = "uwsgi" ]; then
         # Look for uwsgi
         if [ -z "$skip_venv" ] && [ -x $GALAXY_VIRTUAL_ENV/bin/uwsgi ]; then
@@ -190,16 +179,7 @@ find_server() {
         if [ "$add_log_arg" -eq 1 ]; then
             server_args="$server_args --log-file \"$LOG_FILE\""
         fi
-    elif [ "$APP_WEBSERVER" = "dev" ]; then
-        if [ -n "$circusctl_args" ]; then
-            run_server="circusctl"
-            server_args="$circusctl_args"
-        else
-            run_server="circusd"
-            export GALAXY_DAEMON_LOG=$GALAXY_DAEMON_LOG
-            server_args="$CIRCUS_CONFIG_FILE $circusd_args"
-        fi
-    else
+    elif [ "$APP_WEBSERVER" = "paste" ]; then
         run_server="python"
         server_args="./scripts/paster.py serve \"$server_config\" $paster_args"
         if [ "$add_pid_arg" -eq 1 ]; then
@@ -208,6 +188,9 @@ find_server() {
         if [ "$add_log_arg" -eq 1 ]; then
             server_args="$server_args --log-file \"$LOG_FILE\""
         fi
+    else
+        run_server="galaxy"
+        server_args=
     fi
 }