refactor #860 [docker] - Enable cron container to wait for migrations…

… (Ferror)

This PR was merged into the 1.12 branch.

Discussion
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Wait for #859

Now we want each service to be waiting for migrations to end.

Commits
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6192af1 [docker] - Enable cron container to wait for migrations
21b1401 Merge branch \'1.12\' into docker-cron-fix
bc7685e Merge branch \'1.12\' into docker-cron-fix

Dockerfile

@@ -148,9 +148,11 @@ RUN set -eux; \
 	;
 
 COPY docker/cron/crontab /etc/crontabs/root
+COPY docker/cron/docker-entrypoint.sh /usr/local/bin/docker-entrypoint
+RUN chmod +x /usr/local/bin/docker-entrypoint
 
-ENTRYPOINT ["crond"]
-CMD ["-f"]
+ENTRYPOINT ["docker-entrypoint"]
+CMD ["crond", "-f"]
 
 FROM sylius_php_prod AS sylius_migrations_prod
 

docker/cron/docker-entrypoint.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+set -e
+
+while ping -c1 migrations >/dev/null 2>&1;
+do
+    (>&2 echo "Waiting for Migrations container to finish")
+    sleep 1;
+done;
+
+(>&2 echo "Migrations container finished. Starting Cron process.")
+
+exec docker-php-entrypoint "$@"