Wait for Postgres

Add healthcheck to docker-compose.yml
Add a script to wait for DB healthcheck to pass
Stop waiting for DB after 1 minute

Author: abitrolly

.github/workflows/dev-setup.yml

@@ -20,5 +20,7 @@ jobs:
       - run: |
           # `make serve` daemonized
           docker-compose up -d
+      - run: docker-compose ps
+      - run: ./bin/wait-for-db.sh
       - run: make initdb
       - run: make tests

bin/wait-for-db.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# healthy
+# unhealthy
+# starting
+
+CONTAINER=warehouse_db_1
+check() {
+    docker inspect --format "{{.State.Health.Status }}" $CONTAINER
+}
+
+while [[ "$STATUS" != "healthy" ]]
+do
+    STATUS=$(check)
+    echo "$STATUS ${SECONDS}"
+    (( SECONDS > 60 )) && exit 1
+    sleep 3
+done

docker-compose.yml

@@ -28,6 +28,11 @@ services:
     ports:
       # 5432 may already in use by another PostgreSQL on host
       - "5433:5432"
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready"]
+      interval: 5s
+      timeout: 5s
+      retries: 10
 
   redis:
     image: redis:4.0