diff --git a/Dockerfile b/Dockerfile
index 78d13c806286..6167a1fc0a81 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -135,7 +135,8 @@ ARG PROMETHEUS_MULTIPROC_DIR="/tmp/prometheus"
 ARG ACCESS_LOG_LOCATION="/dev/null"
 ENV ACCESS_LOG_LOCATION=${ACCESS_LOG_LOCATION} \
   PROMETHEUS_MULTIPROC_DIR=${PROMETHEUS_MULTIPROC_DIR} \
-  DJANGO_SETTINGS_MODULE=app.settings.production
+  DJANGO_SETTINGS_MODULE=app.settings.production \
+  APPLICATION_LOGGERS="app_analytics,audit,code_references,common,core,dynamodb,edge_api,environments,features,import_export,integrations,mcp,oauth2_metadata,organisations,projects,segments,task_processor,users,webhooks,workflows"
 
 ARG CI_COMMIT_SHA
 RUN echo ${CI_COMMIT_SHA} > /app/CI_COMMIT_SHA && \
@@ -144,7 +145,7 @@ RUN echo ${CI_COMMIT_SHA} > /app/CI_COMMIT_SHA && \
 
 EXPOSE 8000
 
-ENTRYPOINT ["/app/scripts/run-docker.sh"]
+ENTRYPOINT ["flagsmith"]
 
 CMD ["migrate-and-serve"]
 
diff --git a/api/app/settings/common.py b/api/app/settings/common.py
index ba394155f34f..065c1e2c757d 100644
--- a/api/app/settings/common.py
+++ b/api/app/settings/common.py
@@ -1503,3 +1503,20 @@
         },
     }
     DATABASES["clickhouse"] = _clickhouse_db  # type: ignore[assignment]
+
+# Startup verbs (flagsmith-common `flagsmith` entrypoint): which databases each
+# role migrates and waits on. Mirrors the per-role gating run-docker.sh applied —
+# only databases actually configured are included. `DATABASES` is undefined when
+# no `DATABASE_URL` is set (e.g. build-time collectstatic), so guard for that.
+_configured_databases = globals().get("DATABASES", {})
+FLAGSMITH_MIGRATE_DATABASES = [
+    alias
+    for alias in ("default", "analytics", "task_processor", "clickhouse")
+    if alias in _configured_databases
+]
+FLAGSMITH_WAIT_FOR_MIGRATIONS_DATABASES = [
+    alias
+    for alias in ("default", "analytics", "task_processor")
+    if alias in _configured_databases
+]
+FLAGSMITH_STARTUP_COMMANDS = ["bootstrap"]
diff --git a/api/pyproject.toml b/api/pyproject.toml
index 5756b28e0c4a..fde424490a7d 100644
--- a/api/pyproject.toml
+++ b/api/pyproject.toml
@@ -155,6 +155,9 @@ explicit = true
 
 [tool.uv.sources]
 flagsmith-private = { index = "flagsmith-pypi-production" }
+# TEMPORARY: track the composite startup verbs branch until flagsmith-common ships them.
+# TODO: revert to the PyPI release once the entrypoint verbs are released.
+flagsmith-common = { git = "https://github.com/Flagsmith/flagsmith-common", branch = "feat/composite-startup-verbs" }
 clickhouse-driver = { git = "https://github.com/Flagsmith/clickhouse-driver", branch = "newjson" }
 # TODO: Revert to the PyPI release once a version closing
 # https://github.com/jayvynl/django-clickhouse-backend/issues/154 is published.
diff --git a/api/scripts/run-docker.sh b/api/scripts/run-docker.sh
index 9d8c061ef325..07314fbffcdb 100755
--- a/api/scripts/run-docker.sh
+++ b/api/scripts/run-docker.sh
@@ -1,108 +1,12 @@
 #!/bin/sh
 set -e
 
-# common environment variables
-ACCESS_LOG_FORMAT=${ACCESS_LOG_FORMAT:-'%(h)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s" %({origin}i)s %({access-control-allow-origin}o)s'}
-APPLICATION_LOGGERS=${APPLICATION_LOGGERS:-"app_analytics,audit,code_references,common,core,dynamodb,edge_api,environments,features,import_export,integrations,mcp,oauth2_metadata,organisations,projects,segments,task_processor,users,webhooks,workflows"}
-
-waitfordb() {
-  if [ -z "${SKIP_WAIT_FOR_DB}" ]; then
-     python manage.py waitfordb "$@"
-  fi
-}
-
-migrate () {
-    waitfordb \
-      && python manage.py showmigrations --verbosity 2 \
-      && python manage.py migrate --verbosity 2 \
-      && python manage.py createcachetable
-}
-serve() {
-    # configuration parameters for statsd. Docs can be found here:
-    # https://docs.gunicorn.org/en/stable/instrumentation.html
-    export STATSD_PORT=${STATSD_PORT:-8125}
-    export STATSD_PREFIX=${STATSD_PREFIX:-flagsmith.api}
-
-    waitfordb
-
-    exec flagsmith start \
-             --worker-tmp-dir /dev/shm \
-             --timeout ${GUNICORN_TIMEOUT:-30} \
-             --workers ${GUNICORN_WORKERS:-3} \
-             --threads ${GUNICORN_THREADS:-2} \
-             --access-logfile $ACCESS_LOG_LOCATION \
-             --access-logformat "$ACCESS_LOG_FORMAT" \
-             --keep-alive ${GUNICORN_KEEP_ALIVE:-2} \
-             ${STATSD_HOST:+--statsd-host $STATSD_HOST:$STATSD_PORT} \
-             ${STATSD_HOST:+--statsd-prefix $STATSD_PREFIX} \
-             api
-}
-run_task_processor() {
-    waitfordb --waitfor 30 --migrations
-    if [ -n "$ANALYTICS_DATABASE_URL" ] || [ -n "$DJANGO_DB_NAME_ANALYTICS" ]; then
-        waitfordb --waitfor 30 --migrations --database analytics
-    fi
-    if [ -n "$TASK_PROCESSOR_DATABASE_URL" ] || [ -n "$TASK_PROCESSOR_DATABASE_NAME" ]; then
-        waitfordb --waitfor 30 --migrations --database task_processor
-    fi
-    exec flagsmith start \
-             --bind 0.0.0.0:8000 \
-             --access-logfile $ACCESS_LOG_LOCATION \
-             --access-logformat "$ACCESS_LOG_FORMAT" \
-             task-processor \
-             --sleepintervalms ${TASK_PROCESSOR_SLEEP_INTERVAL_MS:-${TASK_PROCESSOR_SLEEP_INTERVAL:-500}} \
-             --graceperiodms ${TASK_PROCESSOR_GRACE_PERIOD_MS:-20000} \
-             --numthreads ${TASK_PROCESSOR_NUM_THREADS:-5} \
-             --queuepopsize ${TASK_PROCESSOR_QUEUE_POP_SIZE:-10}
-
-}
-migrate_analytics_db(){
-    if [ -z "$ANALYTICS_DATABASE_URL" ] && [ -z "$DJANGO_DB_NAME_ANALYTICS" ]; then
-        return 0
-    fi
-    python manage.py migrate --database analytics
-}
-migrate_task_processor_db(){
-    if [ -z "$TASK_PROCESSOR_DATABASE_URL" ] && [ -z "$TASK_PROCESSOR_DATABASE_NAME" ]; then
-        return 0
-    fi
-    python manage.py migrate --database task_processor
-}
-migrate_clickhouse_db(){
-    if [ -z "$CLICKHOUSE_URL" ] && [ -z "$CLICKHOUSE_HOST" ]; then
-        return 0
-    fi
-    python manage.py migrate --database clickhouse
-}
-bootstrap(){
-    python manage.py bootstrap
-}
-default(){
-    python manage.py "$@"
-}
-
-set -x
-
-if [ "$1" = "migrate" ]; then
-    migrate
-    migrate_analytics_db
-    migrate_task_processor_db
-    migrate_clickhouse_db
-elif [ "$1" = "serve" ]; then
-    serve
-elif [ "$1" = "run-task-processor" ]; then
-    migrate
-    migrate_analytics_db
-    migrate_task_processor_db
-    migrate_clickhouse_db
-    run_task_processor
-elif [ "$1" = "migrate-and-serve" ]; then
-    migrate
-    migrate_analytics_db
-    migrate_task_processor_db
-    migrate_clickhouse_db
-    bootstrap
-    serve
-else
-   default "$@"
-fi
+# Container startup is handled by the `flagsmith` entrypoint (flagsmith-common),
+# which provides the serve / migrate / run-task-processor / migrate-and-serve
+# verbs this script used to implement in shell.
+#
+# This shim stays for backwards compatibility: anything invoking the script
+# path directly (Helm charts, compose files, task definitions) keeps working.
+# Prefer calling `flagsmith <verb>` directly; this file can be removed once all
+# consumers have migrated.
+exec flagsmith "$@"
diff --git a/api/uv.lock b/api/uv.lock
index 4cdafbef31c9..93e1e7eea15d 100644
--- a/api/uv.lock
+++ b/api/uv.lock
@@ -1552,8 +1552,8 @@ requires-dist = [
     { name = "email-validator", marker = "extra == 'dev'", specifier = ">=2.0.0" },
     { name = "environs", specifier = ">=14.1.1,<15.0.0" },
     { name = "flagsmith", specifier = ">=5.3.0,<6.0.0" },
-    { name = "flagsmith-common", extras = ["common-core", "flagsmith-schemas", "task-processor"], specifier = ">=3.9.1,<4" },
-    { name = "flagsmith-common", extras = ["test-tools"], marker = "extra == 'dev'" },
+    { name = "flagsmith-common", extras = ["common-core", "flagsmith-schemas", "task-processor"], git = "https://github.com/Flagsmith/flagsmith-common?branch=feat%2Fcomposite-startup-verbs" },
+    { name = "flagsmith-common", extras = ["test-tools"], marker = "extra == 'dev'", git = "https://github.com/Flagsmith/flagsmith-common?branch=feat%2Fcomposite-startup-verbs" },
     { name = "flagsmith-flag-engine", specifier = ">=10.1.0,<11.0.0" },
     { name = "flagsmith-private", marker = "extra == 'private'", specifier = ">=0.10.0,<1", index = "https://flagsmith-production-084060095745.d.codeartifact.eu-west-2.amazonaws.com/pypi/flagsmith-pypi-production/simple/" },
     { name = "flagsmith-sql-flag-engine", specifier = ">=0.1.0,<0.2.0" },
@@ -1623,12 +1623,8 @@ provides-extras = ["private", "dev"]
 
 [[package]]
 name = "flagsmith-common"
-version = "3.9.1"
-source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/77/02/6db44d9089832b0267f9b8bac73cf57eeb3769364e6a523112273ee5cbea/flagsmith_common-3.9.1.tar.gz", hash = "sha256:2b78015b290c571d20e2ba59ee621346cf7ec8340bfc01acf3620af3725d9318", size = 59166, upload-time = "2026-05-11T16:46:29.797Z" }
-wheels = [
-    { url = "https://files.pythonhosted.org/packages/06/fd/67f602c3859eba1baf30fc1916d0997cb3541b71acea5964d47c2b4b5a3e/flagsmith_common-3.9.1-py3-none-any.whl", hash = "sha256:32bd530a32ecd0ff7a6e868341b60d7e778d56ebf0a7ed0623ecdfcabd87fef8", size = 96771, upload-time = "2026-05-11T16:46:28.271Z" },
-]
+version = "3.10.0"
+source = { git = "https://github.com/Flagsmith/flagsmith-common?branch=feat%2Fcomposite-startup-verbs#5def4092278c04c17f122abdfdbac752125feb66" }
 
 [package.optional-dependencies]
 common-core = [
@@ -1665,6 +1661,7 @@ task-processor = [
     { name = "backoff" },
     { name = "django" },
     { name = "django-health-check" },
+    { name = "environs" },
     { name = "opentelemetry-api" },
     { name = "prometheus-client" },
 ]
diff --git a/infrastructure/aws/production/ecs-task-definition-task-processor.json b/infrastructure/aws/production/ecs-task-definition-task-processor.json
index 4c73ad144510..a476a1bf12e4 100644
--- a/infrastructure/aws/production/ecs-task-definition-task-processor.json
+++ b/infrastructure/aws/production/ecs-task-definition-task-processor.json
@@ -7,7 +7,8 @@
         {
             "name": "flagsmith-task-processor",
             "command": [
-                "run-task-processor"
+                "start",
+                "task-processor"
             ],
             "portMappings": [
                 {
@@ -29,7 +30,7 @@
                 "interval": 10,
                 "timeout": 2,
                 "retries": 5,
-                "startPeriod": 120
+                "startPeriod": 30
             },
             "essential": true,
             "environment": [
diff --git a/infrastructure/aws/staging/ecs-task-definition-task-processor.json b/infrastructure/aws/staging/ecs-task-definition-task-processor.json
index e840904fe471..7c1ed3f07f94 100644
--- a/infrastructure/aws/staging/ecs-task-definition-task-processor.json
+++ b/infrastructure/aws/staging/ecs-task-definition-task-processor.json
@@ -6,7 +6,7 @@
     "containerDefinitions": [
         {
             "name": "flagsmith-task-processor",
-            "command": ["run-task-processor"],
+            "command": ["start", "task-processor"],
             "portMappings": [
                 {
                     "containerPort": 9100,
@@ -24,7 +24,7 @@
                 "interval": 10,
                 "timeout": 2,
                 "retries": 5,
-                "startPeriod": 120
+                "startPeriod": 30
             },
             "essential": true,
             "environment": [