diff --git a/run.sh b/run.sh
index e69de29..75f43b5 100644
--- a/run.sh
+++ b/run.sh
@@ -0,0 +1,64 @@
+#!/usr/bin/env bash
+
+if [[ ! -d /data ]]; then
+  mkdir -p /data
+fi
+
+cd /data
+
+RUNNER_STATE_FILE=${RUNNER_STATE_FILE:-'.runner'}
+
+CONFIG_ARG=""
+if [[ ! -z "${CONFIG_FILE}" ]]; then
+  CONFIG_ARG="--config ${CONFIG_FILE}"
+fi
+EXTRA_ARGS=""
+if [[ ! -z "${GITEA_RUNNER_LABELS}" ]]; then
+  EXTRA_ARGS="${EXTRA_ARGS} --labels ${GITEA_RUNNER_LABELS}"
+fi
+if [[ ! -z "${GITEA_RUNNER_EPHEMERAL}" ]]; then
+  EXTRA_ARGS="${EXTRA_ARGS} --ephemeral"
+fi
+RUN_ARGS=""
+if [[ ! -z "${GITEA_RUNNER_ONCE}" ]]; then
+  RUN_ARGS="${RUN_ARGS} --once"
+fi
+
+# In case no token is set, it's possible to read the token from a file, i.e. a Docker Secret
+if [[ -z "${GITEA_RUNNER_REGISTRATION_TOKEN}" ]] && [[ -f "${GITEA_RUNNER_REGISTRATION_TOKEN_FILE}" ]]; then
+  GITEA_RUNNER_REGISTRATION_TOKEN=$(cat "${GITEA_RUNNER_REGISTRATION_TOKEN_FILE}")
+fi
+
+# Use the same ENV variable names as https://github.com/vegardit/docker-gitea-act-runner
+test -f "$RUNNER_STATE_FILE" || echo "$RUNNER_STATE_FILE is missing or not a regular file"
+
+if [[ ! -s "$RUNNER_STATE_FILE" ]]; then
+  try=$((try + 1))
+  success=0
+
+  # The point of this loop is to make it simple, when running both runner and gitea in docker,
+  # for the runner to wait a moment for gitea to become available before erroring out.  Within
+  # the context of a single docker-compose, something similar could be done via healthchecks, but
+  # this is more flexible.
+  while [[ $success -eq 0 ]] && [[ $try -lt ${GITEA_MAX_REG_ATTEMPTS:-10} ]]; do
+    gitea-runner register \
+      --instance "${GITEA_INSTANCE_URL}" \
+      --token    "${GITEA_RUNNER_REGISTRATION_TOKEN}" \
+      --name     "${GITEA_RUNNER_NAME:-`hostname`}" \
+      ${CONFIG_ARG} ${EXTRA_ARGS} --no-interactive 2>&1 | tee /tmp/reg.log
+
+    cat /tmp/reg.log | grep 'Runner registered successfully' > /dev/null
+    if [[ $? -eq 0 ]]; then
+      echo "SUCCESS"
+      success=1
+    else
+      echo "Waiting to retry ..."
+      sleep 5
+    fi
+  done
+fi
+# Prevent reading the token from the gitea-runner process
+unset GITEA_RUNNER_REGISTRATION_TOKEN
+unset GITEA_RUNNER_REGISTRATION_TOKEN_FILE
+
+exec gitea-runner daemon ${CONFIG_ARG} ${RUN_ARGS}