fix: Wait for postgres in worker service

docker/images/main/Dockerfile

@@ -0,0 +1,15 @@
+# syntax=docker/dockerfile:1
+FROM node:16
+WORKDIR /automatisch
+
+RUN apt-get update && apt-get install -y postgresql-client
+COPY ./wait-for-postgres.sh /automatisch/wait-for-postgres.sh
+
+RUN mkdir -p /automatisch/storage
+RUN touch /automatisch/storage/.env
+RUN echo "ENCRYPTION_KEY=$(openssl rand -base64 36)" >> /automatisch/storage/.env
+RUN echo "APP_SECRET_KEY=$(openssl rand -base64 36)" >> /automatisch/storage/.env
+RUN yarn global add @automatisch/cli@0.1.5
+
+EXPOSE 3000
+CMD sh /automatisch/wait-for-postgres.sh automatisch start --env-file=/automatisch/storage/.env

docker/images/main/wait-for-postgres.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+set -e
+
+until psql -h "$POSTGRES_HOST" -U "$POSTGRES_USERNAME" -d "$POSTGRES_HOST" -c '\q'; do
+  >&2 echo "Waiting for Postgres to be ready..."
+  sleep 1
+done
+
+>&2 echo "Postgres is up - executing command"
+exec "$@"