fix: Entrypoint

entrypoint.sh

@@ -1,4 +1,13 @@
 #!/bin/sh
 
+if [[ -z "${CONNECTION_STRING}" ]]; then
+  if [ -z "${PG_COMPONENT_PSQL_USER}" ] || [ -z "${PG_COMPONENT_PSQL_PASSWORD}" ] || [ -z "${PG_COMPONENT_PSQL_HOST}" ] || [ -z "${PG_COMPONENT_PSQL_PORT}" ] || [ -z "${PG_COMPONENT_PSQL_DATABASE}" ]; then
+    # Either the connection string or the individual DB encironenment variables must be set.
+    echo "Error: Either the connection string or the individual DB encironenment variables must be set."
+    exit 1
+  fi
+  export CONNECTION_STRING=postgres://${PG_COMPONENT_PSQL_USER}:${PG_COMPONENT_PSQL_PASSWORD}@${PG_COMPONENT_PSQL_HOST}:${PG_COMPONENT_PSQL_PORT}/${PG_COMPONENT_PSQL_DATABASE}
+fi
+
 npm run migrate:docker up || exit 1
 node --inspect="0.0.0.0:9229" ./dist/src/server.js || exit 1