Add persistent startup script

#!/bin/sh
set -eu

PGDATA=/data/postgresql
REDIS_DATA_DIR=/data/redis
APP_DATA_DIR=/data/sub2api
APP_PID=""
REDIS_PID=""

if [ -z "$DATABASE_PASSWORD" ]; then
echo "DATABASE_PASSWORD is required" >&2
exit 1
fi

mkdir -p "$PGDATA" "$REDIS_DATA_DIR" "$APP_DATA_DIR"
chown -R postgres:postgres "$PGDATA"
chmod 700 "$PGDATA"
chown -R redis:redis "$REDIS_DATA_DIR"
chown -R sub2api:sub2api "$APP_DATA_DIR"

if [ ! -s "$PGDATA/PG_VERSION" ]; then
PASSWORD_FILE=$(mktemp)
chmod 600 "$PASSWORD_FILE"
printf '%s\n' "$DATABASE_PASSWORD" > "$PASSWORD_FILE"
chown postgres:postgres "$PASSWORD_FILE"
su-exec postgres initdb -D "$PGDATA" -U "$DATABASE_USER" --pwfile="$PASSWORD_FILE" --auth-local=trust --auth-host=scram-sha-256
rm -f "$PASSWORD_FILE"
fi

su-exec postgres pg_ctl -D "$PGDATA" -o "-c listen_addresses=127.0.0.1 -c port=5432 -c unix_socket_directories=/tmp" -w start

if ! su-exec postgres psql -h /tmp -U "$DATABASE_USER" -d postgres -tAc "SELECT 1 FROM pg_database WHERE datname = 'sub2api'" | grep -q 1; then
su-exec postgres createdb -h /tmp -U "$DATABASE_USER" -O "$DATABASE_USER" "$DATABASE_DBNAME"
fi

su-exec redis redis-server \
--bind 127.0.0.1 \
--port 6379 \
--dir "$REDIS_DATA_DIR" \
--save 60 1 \
--appendonly yes \
--appendfsync everysec &
REDIS_PID=$!

cleanup() {
trap - EXIT INT TERM
if [ -n "$APP_PID" ] && kill -0 "$APP_PID" 2>/dev/null; then
kill -TERM "$APP_PID" 2>/dev/null || true
wait "$APP_PID" 2>/dev/null || true
fi
if [ -n "$REDIS_PID" ] && kill -0 "$REDIS_PID" 2>/dev/null; then
kill -TERM "$REDIS_PID" 2>/dev/null || true
wait "$REDIS_PID" 2>/dev/null || true
fi
su-exec postgres pg_ctl -D "$PGDATA" -m fast -w stop >/dev/null 2>&1 || true
}
trap cleanup EXIT INT TERM

attempt=0
until redis-cli -h 127.0.0.1 -p 6379 ping 2>/dev/null | grep -q PONG; do
if ! kill -0 "$REDIS_PID" 2>/dev/null; then
echo "Redis failed to start" >&2
exit 1
fi
attempt=$((attempt + 1))
if [ "$attempt" -ge 30 ]; then
echo "Redis readiness check timed out" >&2
exit 1
fi
sleep 1
done

su-exec sub2api /app/sub2api &
APP_PID=$!
wait "$APP_PID"

start.sh

@@ -0,0 +1,75 @@
+#!/bin/sh
+set -eu
+
+PGDATA=/data/postgresql
+REDIS_DATA_DIR=/data/redis
+APP_DATA_DIR=/data/sub2api
+APP_PID=""
+REDIS_PID=""
+
+if [ -z "$DATABASE_PASSWORD" ]; then
+  echo "DATABASE_PASSWORD is required" >&2
+  exit 1
+fi
+
+mkdir -p "$PGDATA" "$REDIS_DATA_DIR" "$APP_DATA_DIR"
+chown -R postgres:postgres "$PGDATA"
+chmod 700 "$PGDATA"
+chown -R redis:redis "$REDIS_DATA_DIR"
+chown -R sub2api:sub2api "$APP_DATA_DIR"
+
+if [ ! -s "$PGDATA/PG_VERSION" ]; then
+  PASSWORD_FILE=$(mktemp)
+  chmod 600 "$PASSWORD_FILE"
+  printf '%s\n' "$DATABASE_PASSWORD" > "$PASSWORD_FILE"
+  chown postgres:postgres "$PASSWORD_FILE"
+  su-exec postgres initdb -D "$PGDATA" -U "$DATABASE_USER" --pwfile="$PASSWORD_FILE" --auth-local=trust --auth-host=scram-sha-256
+  rm -f "$PASSWORD_FILE"
+fi
+
+su-exec postgres pg_ctl -D "$PGDATA" -o "-c listen_addresses=127.0.0.1 -c port=5432 -c unix_socket_directories=/tmp" -w start
+
+if ! su-exec postgres psql -h /tmp -U "$DATABASE_USER" -d postgres -tAc "SELECT 1 FROM pg_database WHERE datname = 'sub2api'" | grep -q 1; then
+  su-exec postgres createdb -h /tmp -U "$DATABASE_USER" -O "$DATABASE_USER" "$DATABASE_DBNAME"
+fi
+
+su-exec redis redis-server \
+  --bind 127.0.0.1 \
+  --port 6379 \
+  --dir "$REDIS_DATA_DIR" \
+  --save 60 1 \
+  --appendonly yes \
+  --appendfsync everysec &
+REDIS_PID=$!
+
+cleanup() {
+  trap - EXIT INT TERM
+  if [ -n "$APP_PID" ] && kill -0 "$APP_PID" 2>/dev/null; then
+    kill -TERM "$APP_PID" 2>/dev/null || true
+    wait "$APP_PID" 2>/dev/null || true
+  fi
+  if [ -n "$REDIS_PID" ] && kill -0 "$REDIS_PID" 2>/dev/null; then
+    kill -TERM "$REDIS_PID" 2>/dev/null || true
+    wait "$REDIS_PID" 2>/dev/null || true
+  fi
+  su-exec postgres pg_ctl -D "$PGDATA" -m fast -w stop >/dev/null 2>&1 || true
+}
+trap cleanup EXIT INT TERM
+
+attempt=0
+until redis-cli -h 127.0.0.1 -p 6379 ping 2>/dev/null | grep -q PONG; do
+  if ! kill -0 "$REDIS_PID" 2>/dev/null; then
+    echo "Redis failed to start" >&2
+    exit 1
+  fi
+  attempt=$((attempt + 1))
+  if [ "$attempt" -ge 30 ]; then
+    echo "Redis readiness check timed out" >&2
+    exit 1
+  fi
+  sleep 1
+done
+
+su-exec sub2api /app/sub2api &
+APP_PID=$!
+wait "$APP_PID"