BLD adding previous projects

DockerFirstSteps/C_App/Dockerfile

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+# use alpine as base image
+FROM alpine AS build-env
+# install build-base meta package inside build-env container
+RUN apk add --no-cache build-base
+# change directory to /app
+WORKDIR /app
+# copy all files from current directory inside the build-env container
+COPY . .
+# Compile the source code and generate hello binary executable file
+RUN gcc -o hello helloDocker.c
+# Set the executable file name as an environment variable
+ENV PROGRAM_NAME=hello
+# run the program using the environment variable
+ENTRYPOINT ["sh", "-c", "/app/$PROGRAM_NAME"]
+

DockerFirstSteps/C_App/helloDocker.c

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+#include <stdio.h>
+
+int main()
+{
+    printf("Hello from our first Docker container\n");
+    return 0;
+}

DockerFirstSteps/Python_App/Dockerfile

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+# start by pulling the python image
+FROM python:3.13-alpine
+
+# copy the requirements file into the image
+COPY ./requirements.txt /app/requirements.txt
+
+# switch working directory
+WORKDIR /app
+
+# install the dependencies and packages in the requirements file
+RUN pip install -r requirements.txt
+
+# copy every content from the local file to the image
+COPY . /app
+
+# configure the container to run in an executed manner
+ENTRYPOINT [ "python" ]
+
+CMD ["app.py" ]

DockerFirstSteps/Python_App/app.py

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+from flask import Flask
+import os
+
+app = Flask(__name__)
+
+
+@app.route('/')
+def index():
+    return 'Server Works!\n'
+
+@app.route('/greet')
+def say_hello():
+    return 'Hello from Server'
+
+if __name__ == "__main__":
+    port = int(os.environ.get('PORT', 5000))
+    app.run(debug=True, host='0.0.0.0', port=port)

DockerFirstSteps/Python_App/requirements.txt

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+blinker==1.7.0
+click==8.1.7
+Flask==3.0.2
+itsdangerous==2.1.2
+Jinja2==3.1.3
+MarkupSafe==2.1.5
+Werkzeug==3.0.1