Containerize Go-helloworld

.gitignore

@@ -1,6 +1,153 @@
+## originally provided ##
 .env/
 .venv/
 .vagrant/
 .myvenv/
 __pycache__/
 .vagrant/
+
+## newly added##
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+*.code-workspace
+
+*.cfg
+
+settings.json
+
+.DS_Store
+
+*.parquet
+
+*.crc
+
+_SUCCESS

exercises/go-helloworld/Dockerfile

@@ -0,0 +1,11 @@
+FROM golang:alpine
+
+WORKDIR /go/src/app
+
+ADD . .
+
+RUN go mod init && go build -o helloworld
+
+EXPOSE 6112
+
+CMD ["./helloworld"]

exercises/go-helloworld/main.go

@@ -11,5 +11,5 @@ func helloWorld(w http.ResponseWriter, r *http.Request){
 
 func main() {
     http.HandleFunc("/", helloWorld)
-    http.ListenAndServe(":6111", nil)
+    http.ListenAndServe(":6112", nil)
 }

exercises/python-helloworld/Dockerfile

@@ -0,0 +1,10 @@
+FROM python:3.8
+LABEL maintainer="Thitiwat Watanajaturaporn"
+
+COPY . /app
+WORKDIR /app
+RUN pip install -r requirements.txt
+
+# command to run on a container
+CMD ["python", "app.py"]
+

exercises/python-helloworld/app.py

@@ -1,9 +1,46 @@
 from flask import Flask
+import json
+import logging
+
 app = Flask(__name__)
 
+@app.route("/status")
+def healthcheck():
+    response = app.response_class(
+        response=json.dumps({"result": "OK - Healthy"}),
+        status=200,
+        mimetype="application/json"
+    )
+    ## log line
+    app.logger.info('Status request successfull')
+    return response
+
+@app.route("/metrics")
+def metrics():
+    response = app.response_class(
+        response=json.dumps({
+            "status": "success",
+            "code": 0,
+            "data": {
+                "userCount": 140,
+                "userCountActive": 23
+            }
+        }),
+        status=200,
+        mimetype="application/json"
+    )
+    ## log line
+    app.logger.info('Metrics request successfull')
+    return response
+
+
 @app.route("/")
 def hello():
+    # Logging a custom message
+    app.logger.info("Main request successfull")
     return "Hello World!"
 
 if __name__ == "__main__":
+    # Stream logs to a file, and set the default log level to DEBUG
+    logging.basicConfig(filename='app.log',level=logging.DEBUG)
     app.run(host='0.0.0.0')