Ejemplos para el curso de "Docker para Desarrolladores" de Openwebinars

Author: pchico83

README.md

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 # docker-for-devs
+
 Ejemplos para el curso de docker de openwebinars

auto-build/Dockerfile

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+FROM python:2.7
+
+WORKDIR /app
+
+EXPOSE 5000
+
+ENV NAME World
+
+CMD ["python", "app.py"]
+
+ADD requirements.txt /app/requirements.txt
+RUN pip install -r requirements.txt
+
+ADD app.py /app/app.py

auto-build/app.py

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+from flask import Flask
+from redis import Redis, RedisError
+import socket
+
+
+app = Flask(__name__)
+redis = Redis(host="redis")
+
+
+@app.route("/")
+def hello():
+    try:
+        visits = redis.incr('counter')
+    except RedisError:
+        visits = "<i>counter disabled. Cannot connect to Redis.</i>"
+
+    html = "<h3>Hola Openwebinars!</h3>" \
+           "<b>Hostname:</b> {hostname}<br/>" \
+           "<b>Visits:</b> {visits}<br/>" \
+           "<br/>"
+
+    return html.format(hostname=socket.gethostname(), visits=visits)
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=5000)

auto-build/docker-compose.yml

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+version: "3.2"
+services:
+  web:
+    image: pchico83/ci
+    build: .
+    depends_on:
+      - redis
+    ports:
+      - 5000:5000
+  redis:
+    image: redis

auto-build/hooks/build

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+#!/bin/bash
+
+set -e
+
+docker-compose build

auto-build/hooks/push

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+#!/bin/bash
+
+set -e
+
+docker-compose push

auto-build/requirements.txt

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+Flask
+Redis

auto-cache-from/Dockerfile

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+FROM python:2.7
+
+WORKDIR /app
+
+EXPOSE 5000
+
+ENV NAME World
+
+CMD ["python", "app.py"]
+
+ADD requirements.txt /app/requirements.txt
+RUN pip install -r requirements.txt
+
+ADD app.py /app/app.py

auto-cache-from/app.py

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+from flask import Flask
+from redis import Redis, RedisError
+import socket
+
+
+app = Flask(__name__)
+redis = Redis(host="redis")
+
+
+@app.route("/")
+def hello():
+    try:
+        visits = redis.incr('counter')
+    except RedisError:
+        visits = "<i>counter disabled. Cannot connect to Redis.</i>"
+
+    html = "<h3>Hola Openwebinars!</h3>" \
+           "<b>Hostname:</b> {hostname}<br/>" \
+           "<b>Visits:</b> {visits}<br/>" \
+           "<br/>"
+
+    return html.format(hostname=socket.gethostname(), visits=visits)
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=5000)

auto-cache-from/docker-compose.yml

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+version: "3.2"
+services:
+  web:
+    image: pchico83/ci
+    build:
+      cache_from:
+        - pchico83/ci
+      context: .
+    depends_on:
+      - redis
+    ports:
+      - 5000:5000
+  redis:
+    image: redis