Ensure postgres server is ready before running migrations

qwc-services · Oct 28, 2023 · 7e1e105 · 7e1e105
1 parent b260095
commit 7e1e105
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Showing 2 changed files with 11 additions and 2 deletions.
diff --git a/Dockerfile.migrate b/Dockerfile.migrate
@@ -4,11 +4,12 @@ FROM alpine:3.18
 ENV PGSERVICEFILE=/tmp/pg_service.conf
 ENV ALEMBIC_VERSION=head
 
-RUN apk add --no-cache --update py3-alembic py3-psycopg2
+RUN apk add --no-cache --update postgresql-client py3-alembic py3-psycopg2
 
 COPY pg_service.conf /tmp/pg_service.conf
 COPY alembic.ini /tmp/alembic.ini
 COPY alembic /tmp/alembic
+COPY run-migrations.sh /tmp/run-migrations.sh
 
 WORKDIR /tmp
-ENTRYPOINT ["/bin/sh", "-c", "PGSERVICE=qwc_configdb alembic upgrade ${ALEMBIC_VERSION}"]
+ENTRYPOINT ["/tmp/run-migrations.sh"]
diff --git a/run-migrations.sh b/run-migrations.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+until psql service=qwc_configdb -c "select 1" > /dev/null 2>&1; do
+  echo "Waiting for postgres server..."
+  sleep 1
+done
+
+PGSERVICE=qwc_configdb alembic upgrade ${ALEMBIC_VERSION}