KoanLogic - embedded software engineering - Light weight web server
fareast_mzh 2024-08-04 11:33:05 阅读 53
koanlogic
Here are the steps to set up your KLone project with the provided Makefile content:
Step 1: Create the Project Directory and Makefile
Create an empty directory and change into it:
<code>mkdir my_klone_project
cd my_klone_project
Create the Makefile:
nano Makefile
Write the content into the Makefile:
KLONE_VERSION = 3.1.0
# webapp content is in webapp/ the current dir
WEBAPP_DIR = $(CURDIR)/webapp
include klapp.mk
klapp.mk:
wget -O $@ -c http://koanlogic.com/klone/klapp-2.0.0.mk
Step 2: Bootstrap the Project
Run make to bootstrap the project:
make
This will download the klapp.mk file and set up the necessary build environment.
Step 3: Create the Web Application Directory and Content
Create the webapp directory:
mkdir webapp
Create a sample KLone template:
nano webapp/index.klt
Add the following content:
<!DOCTYPE html>
<html>
<head>
<title>KLone Web Application</title>
</head>
<body>
<h1>Welcome to KLone Web Application</h1>
<p>This is a sample KLone template.</p>
</body>
</html>
Step 4: Build and Run the KLone Application
Run make to build the KLone application:
make
This will compile your KLone application and generate the necessary executable.
Run the KLone web server:
./kloned
Step 5: Access the KLone Application
Open your web browser and navigate to http://localhost:8080. You should see the sample KLone template you created in index.klt.
This setup provides a basic KLone project structure. You can expand upon this by adding more templates and logic to your webapp directory, following the guidelines in the KLone tutorial.
Absolutely, using KLone within Docker for microservices is a great approach due to its lightweight and integrated nature. Here’s how you can set up a KLone-based microservice in Docker:
Step 1: Create a KLone Application
Create the project directory:
mkdir my_klone_app
cd my_klone_app
Create the KLone configuration file (klone.conf):
nano klone.conf
Add the following content:
server {
listen 8080;
root "./";
}
Create a KLone template (index.klt):
nano index.klt
Add the following content:
<!DOCTYPE html>
<html>
<head>
<title>KLone POST Example</title>
</head>
<body>
<h1>Submit a POST Request</h1>
<form action="/post.klt" method="post">code>
Name: <input type="text" name="name"><br>code>
Value: <input type="text" name="value"><br>code>
<input type="submit" value="Submit">code>
</form>
</body>
</html>
Create a KLone template for handling POST requests (post.klt):
nano post.klt
Add the following content:
<!DOCTYPE html>
<html>
<head>
<title>KLone POST Example</title>
</head>
<body>
<h1>Submitted Data</h1>
<p>Name: <?code klone_printf("%s", klone_req_get_var("name")); ?></p>
<p>Value: <?code klone_printf("%s", klone_req_get_var("value")); ?></p>
<p><a href="/">Back to form</a></p>code>
</body>
</html>
Step 2: Create a Dockerfile
Create the Dockerfile:
nano Dockerfile
Add the following content:
FROM ubuntu:latest
# Install necessary packages
RUN apt-get update && \
apt-get install -y build-essential wget tar && \
rm -rf /var/lib/apt/lists/*
# Download and install KLone
RUN wget http://www.koanlogic.com/klone/klone-2.1.0.tar.gz && \
tar -xzf klone-2.1.0.tar.gz && \
cd klone-2.1.0 && \
./configure && \
make && \
make install && \
cd .. && \
rm -rf klone-2.1.0 klone-2.1.0.tar.gz
# Copy the KLone application
COPY . /usr/local/klone
# Set the working directory
WORKDIR /usr/local/klone
# Compile the KLone application
RUN klone -v -c klone.conf -o kloned
# Expose the port
EXPOSE 8080
# Run the KLone web server
CMD ["./kloned"]
Step 3: Build and Run the Docker Container
Build the Docker image:
docker build -t my_klone_app .
Run the Docker container:
docker run -d -p 8080:8080 my_klone_app
Step 4: Test the KLone Application
Open your web browser and navigate to http://localhost:8080. You should see the form created in index.klt.
Fill in the form with some data and click the submit button. You should see the data displayed on the resulting page generated by post.klt.
This setup shows how to create a lightweight microservice using KLone within Docker. The integrated approach of KLone, combined with the containerization provided by Docker, makes it an excellent choice for developing and deploying efficient microservices.
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