feat: Script for web container init

A script has been included to check that the mysql container is active before starting the web container.

Dockerfile.dev

@@ -1,24 +1,29 @@
 # Use an official Python runtime as a parent image
 FROM python:3.11-alpine
 
-# Set the working directory in the container to /app
+# Instala el cliente de MySQL para poder usarlo en el script de espera
+RUN apk add --no-cache mysql-client
+
+# Establece el directorio de trabajo en el contenedor en /app
 WORKDIR /app
 
-# Copy the contents of the local app/ directory to the /app directory in the container
+# Copia el contenido del directorio local app/ al directorio /app en el contenedor
 COPY app/ ./app
 
-# Copy requirements.txt at the /app working directory
+# Copia requirements.txt en el directorio de trabajo /app
 COPY requirements.txt .
 
-# Install any needed packages specified in requirements.txt
+# Copia el script wait-for-db.sh y establece los permisos de ejecución
+COPY --chmod=+x scripts/wait-for-db.sh ./scripts/
+
+# Instala los paquetes necesarios especificados en requirements.txt
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Update pip
+# Actualiza pip
 RUN pip install --no-cache-dir --upgrade pip
 
-# Expose port 5000
+# Expone el puerto 5000
 EXPOSE 5000
 
-# Run the application
-CMD flask db upgrade && flask run --host=0.0.0.0 --port=5000 --reload --debug
-
+# Ajusta el comando CMD para ejecutar correctamente el script wait-for-db.sh
+CMD sh ./scripts/wait-for-db.sh && flask db upgrade && flask run --host=0.0.0.0 --port=5000 --reload --debug

docker-compose.dev.yml

@@ -1,6 +1,7 @@
 version: '3.8'
 
 services:
+
   web:
     build:
       context: .
@@ -11,29 +12,11 @@ services:
       - "5000"
     environment:
       FLASK_ENV: development
+      MYSQL_USER: ${MYSQL_USER}
+      MYSQL_PASSWORD: ${MYSQL_PASSWORD}
     depends_on:
       - db
 
-  flamapyapi:
-    image: flamapy/flamapy-fm-dist:v1.5.3
-    deploy:
-      replicas: 3
-      restart_policy:
-        condition: on-failure
-    expose:
-      - 8000
-
-  nginx:
-    image: nginx:latest
-    volumes:
-      - ./nginx/nginx.dev.conf:/etc/nginx/nginx.conf
-    ports:
-      - "80:80"
-      - "8000:8000"
-    depends_on:
-      - web
-      - flamapyapi
-
   db:
     image: mysql:latest
     command: --default-authentication-plugin=mysql_native_password
@@ -48,5 +31,14 @@ services:
     volumes:
       - db_data:/var/lib/mysql
 
+  nginx:
+    image: nginx:latest
+    volumes:
+      - ./nginx/nginx.dev.conf:/etc/nginx/nginx.conf
+    ports:
+      - "80:80"
+    depends_on:
+      - web
+
 volumes:
   db_data:

nginx/nginx.dev.conf

@@ -2,22 +2,10 @@ events {}
 
 http {
 
-    upstream flamapyapi {
-        server flamapyapi:8000;
-    }
-
     upstream web {
         server web:5000;
     }
 
-    server {
-        listen 8000;
-
-        location / {
-            proxy_pass http://flamapyapi;
-        }
-    }
-
     server {
         listen 80;
 

scripts/wait-for-db.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+until mysql -h db -P 3306 -u"$MYSQL_USER" -p"$MYSQL_PASSWORD" -e 'SELECT 1' &> /dev/null
+do
+  echo "MySQL is unavailable - sleeping"
+  sleep 1
+done
+
+echo "MySQL is up - executing command"
+exec "$@"