Chapter 17: Docker Compose support (17f)

Author: miguelgrinberg

.gitignore

@@ -40,3 +40,7 @@ nosetests.xml
 
 # Virtual environment
 venv
+
+# Environment files
+.env
+.env-mysql

boot.sh

@@ -1,4 +1,13 @@
 #!/bin/sh
 source venv/bin/activate
-flask deploy
+
+while true; do
+    flask deploy
+    if [[ "$?" == "0" ]]; then
+        break
+    fi
+    echo Deploy command failed, retrying in 5 secs...
+    sleep 5
+done
+
 exec gunicorn -b :5000 --access-logfile - --error-logfile - flasky:app

docker-compose.yml

@@ -0,0 +1,14 @@
+version: '3'
+services:
+  flasky:
+    build: .
+    ports:
+      - "8000:5000"
+    env_file: .env
+    restart: always
+    links:
+      - mysql:dbserver
+  mysql:
+    image: "mysql/mysql-server:5.7"
+    env_file: .env-mysql
+    restart: always