added exercise applications

Author: Jaime Salas Zancada

02-orquestacion/exercises/02-distributed/README.md

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+# Distributed Infrastructure
+
+## Run solutions loacally
+
+Open two terminals, in one of them change directory to `todo-api`, and run `npm start`, in the other terminal change directory to `todo-front`, and run `npm start`
+
+## Run solutions locally using Docker
+
+Start backend
+
+```bash
+$ docker run -d -p 3000:3000 \
+  -e NODE_ENV=production \
+  -e PORT=3000 \
+  --name todo-api \
+  lemoncode/todo-api
+```
+
+Start frontend, in order to get connected fron and back, you must build the image as follows `docker build -t lemoncode/todo-front --build-arg  API_HOST=http://localhost:3000 .`
+
+```bash
+$ docker run -d -p 80:80 --name todo-front lemoncode/todo-front
+```

02-orquestacion/exercises/02-distributed/todo-api/.dockerignore

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+# local installed dependenies
+node_modules/
+dist/
+
+# local build
+wwwroot/
+
+# local development
+nodemon.json
+
+
+# environment variables
+.env
+.env.template
+.env.test
+
+# tools configuration
+.prettierrc
+
+# project info
+README.md
+
+

02-orquestacion/exercises/02-distributed/todo-api/.env.template

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+NODE_ENV=
+PORT=

02-orquestacion/exercises/02-distributed/todo-api/.env.test

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+NODE_ENV=test
+PORT=3001

02-orquestacion/exercises/02-distributed/todo-api/.prettierrc

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+{
+  "printWidth": 120,
+  "tabWidth": 2,
+  "endOfLine": "lf",
+  "trailingComma": "all",
+  "singleQuote": true,
+  "arrowParens": "always"
+}

02-orquestacion/exercises/02-distributed/todo-api/Dockerfile

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+FROM node:alpine3.12 as builder
+
+WORKDIR /build
+
+# Copy backend app files
+COPY ./src ./src
+
+# Copy dependencies manifest
+COPY package*.json ./
+
+# Copy compile configuration
+COPY tsconfig.json ./ 
+
+# Build app
+RUN npm install
+
+RUN npm run build
+
+# Packaging app
+FROM node:alpine3.12 as app
+
+WORKDIR /app
+
+COPY --from=builder ./build/wwwroot ./
+
+# Install production dependencies
+COPY package*.json ./
+
+RUN npm ci --only=production
+
+CMD [ "node", "app.js" ]

02-orquestacion/exercises/02-distributed/todo-api/README.md

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+# Todo App React
+
+## Environment Variables
+
+```ini
+NODE_ENV=
+PORT=
+```
+
+## Running the Application with Docker on Local
+
+```bash
+$ docker build -t lemoncode/todo-api . 
+```
+
+Start app without database
+
+```bash
+$ docker run -d -p 3000:3000 \
+  -e NODE_ENV=production \
+  -e PORT=3000 \
+  lemoncode/todo-api
+```

02-orquestacion/exercises/02-distributed/todo-api/nodemon.json

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+{
+    "watch": [
+        "src"
+    ],
+    "ext": "ts",
+    "ignore": [
+        "src/**/*.spec.ts"
+    ],
+    "exec": "ts-node ./src/app.ts"
+}