melvinlee

import streamlit as st 
import time 

col1, col2, col3 = st.columns([1,2,1])

col1.markdown("# Welcome to my app")

uploaded_photo = col2.file_uploader("Upload a photo")
camera_photo = col2.camera_input("Take a photo")

melvinlee

FROM mcr.microsoft.com/dotnet/core/sdk:3.1

# warmup NuGet package cache
WORKDIR /sln

COPY *.sln .
COPY projectfiles.tar . 
RUN tar -xvf projectfiles.tar
RUN dotnet restore \
    --source https://api.nuget.org/v3/index.json 

melvinlee

Resources

KUBERNETES CLUSTER

• local https://github.com/kubernetes-sigs/kind (or just use minikube if it works for you)
• cloud https://cloud.google.com/kubernetes-engine (for PersistentVolume and Ingress, I needed to try the real deal)
• practice environment: https://github.com/arush-sal/cka-practice-environment

PRACTICE

melvinlee

#File: .azure-pipelines/azure-pipelines-fluxcd.yaml

trigger:
  branches:
    include:
    - master
    - releases/*
  paths:
    include:
    - flux/*

melvinlee

## Install Chocolatey
Set-ExecutionPolicy Bypass -Scope Process -Force; iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))

# VS Code
choco install vscode -y

# Chrome
choco install googlechrome -y 

# Utilities

melvinlee

PKI

How to Generate Private Key

File parameters to be updated. fileName is file’s name keyPassword is the API Key password

export filename=mykey

Generate new PKI key pair, with 2048 key encryption

melvinlee

minikube start --cpus 4 --memory 8192

melvinlee

FROM microsoft/dotnet:2.1-sdk

# warmup NuGet package cache
COPY packagescache.csproj /tmp/warmup/  
RUN dotnet restore /tmp/warmup/packagescache.csproj \  
      --source https://api.nuget.org/v3/index.json \
      --verbosity quiet \
    && rm -rf /tmp/warmup/

WORKDIR /  

melvinlee

Set-ExecutionPolicy Bypass -Scope Process -Force; iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))
# Install add-on software
choco install docker-for-windows -y
choco install visualstudio2017community -y
choco install dotnetcore-sdk -y
# Enable HyperV for Docker
Enable-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V -All

# Restart
Restart-Computer

melvinlee

curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
cat <<EOF > /etc/apt/sources.list.d/kubernetes.list
deb http://apt.kubernetes.io/ kubernetes-xenial main
EOF
apt-get update
apt-get install -y docker.io kubelet kubeadm kubectl
systemctl enable docker