Fix backend production deploy and database connection

- Fixed database URL locally and in production
- Set separate DB user just to be safe
- Migrate DB schema on each launch
- Use node user during dev but use root during deploy
- Fix output of the dev container (tsc-watch --noClear)

.gitignore

@@ -46,3 +46,5 @@ testem.log
 # System Files
 .DS_Store
 Thumbs.db
+
+.firebase/

backend/Dockerfile

@@ -23,6 +23,8 @@ RUN apt-get update
 RUN apt-get install -y docker-ce docker-ce-cli containerd.io
 # Install Heroku CLI
 RUN curl https://cli-assets.heroku.com/install-ubuntu.sh | sh
+# Install wait-for-it
+RUN apt-get install -y wait-for-it
 
 ENTRYPOINT [ "/docker.sh" ]
 CMD [ "run" ]

backend/Dockerfile-prod

@@ -24,5 +24,4 @@ RUN npm run build
 # Bind to all network interfaces so that it can be mapped to the host OS
 ENV HOST=0.0.0.0
 
-EXPOSE ${PORT}
 CMD [ "node", "." ]

backend/docker.sh

@@ -19,4 +19,5 @@ echo "Installing packages"
 npm install
 echo "Running application"
 npm run rebuild
+wait-for-it database:3306 -t 0
 npm run start:watch

backend/package.json

@@ -33,7 +33,7 @@
     "openapi-spec": "node ./dist/openapi-spec",
     "prestart": "npm run rebuild",
     "start": "node -r source-map-support/register .",
-    "start:watch": "tsc-watch --target es2017 --outDir ./dist --onSuccess \"node .\"",
+    "start:watch": "tsc-watch --target es2017 --outDir ./dist --onSuccess \"node .\" --noClear",
     "clean": "lb-clean dist *.tsbuildinfo .eslintcache",
     "rebuild": "npm run clean && npm run build"
   },

backend/src/datasources/database.datasource.ts

@@ -4,7 +4,7 @@ import {juggler} from '@loopback/repository';
 const config = {
   name: 'database',
   connector: 'mysql',
-  url: process.env.DATABASE_URL,
+  url: process.env.DATABASE_URL ?? process.env.CLEARDB_DATABASE_URL,
   host: '',
   port: 0,
   user: '',

backend/src/index.ts

@@ -5,6 +5,7 @@ export * from './application';
 export async function main(options: ApplicationConfig = {}) {
   const app = new SzakdolgozatBackendApplication(options);
   await app.boot();
+  await app.migrateSchema({existingSchema: 'alter'});
   await app.start();
 
   const url = app.restServer.url;

deploy-backend.sh

@@ -2,4 +2,4 @@
 
 cd backend || exit
 docker-compose build backend
-docker-compose run -e COMMAND=deploy -v /var/run/docker.sock:/var/run/docker.sock backend
+USERNAME="0" docker-compose run -e COMMAND=deploy -v /var/run/docker.sock:/var/run/docker.sock backend

docker-compose.yml

@@ -15,13 +15,17 @@ services:
       - ./backend:/home/node/app
     environment:
       - COMMAND=run
-      - DATABASE_URL=${CLEARDB_DATABASE_URL}
+      - DATABASE_URL=mysql://szakdolgozat:DevelopmentPassword@database/szakdolgozat
+    user: ${USERNAME:-node}
   database:
     image: mysql:5.6
     ports:
       - "3306:3306"
     environment:
-      - MYSQL_ROOT_PASSWORD=DevelopmentPassword
+      - MYSQL_ROOT_PASSWORD=VerySecretPassword
+      - MYSQL_DATABASE=szakdolgozat
+      - MYSQL_USER=szakdolgozat
+      - MYSQL_PASSWORD=DevelopmentPassword
 
 networks:
   default:

frontend/.dockerignore

@@ -0,0 +1,5 @@
+node_modules
+npm-debug.log
+/dist
+# Cache used by TypeScript's incremental build
+*.tsbuildinfo