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Remove Last Two Commits in Git

This guide explains how to remove the last two commits from your branch and restore the state to the third commit from the end (keeping your working tree clean and history intact).

Scenario

• You're on a feature branch (e.g., feature/add-auth) based on main
• You've made 4 commits
• You want to remove the last 2 commits, keeping the state from the third last commit

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Understanding git reset: soft, mixed, and hard

This document explains the three main types of git reset and when to use each.

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1. git reset --soft HEAD~2

What it does:

• Removes the last two commits.

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Squash and Sign Commits in Git

This guide shows how to squash multiple commits into a single signed commit. It's useful when you've made several WIP commits and want to clean up your branch history before pushing or creating a pull request.

Prerequisites

• A feature branch created from main (e.g., feature/add-auth)
• At least two commits to be squashed
• Git commit signing (GPG/SSH/S/MIME) is already configured

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Fix localhost SSL Certificate error

1. Click on localhost certificate (Chrome browser bar)
2. Export certificate a. Details tab b. Expor -> PKCS #7, single certificate
3. Access "certlm.msc" on windows
4. Choose PKCS #7, single certificate
5. Import certificate a. Select target: As autoridades de certificação de raiz de confiança

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Shell Script - Update coverage XML tag value

sed -e 's/<source>\/home\/app\/web<\/source>/<source>\/opt\/atlassian\/pipelines\/agent\/build\/app<\/source>/' coverage.xml > temp_coverage.xml
mv temp_coverage.xml coverage.xml

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Install Minikube

Install kubectl

curl -LO https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl

chmod +x ./kubectl

sudo mv ./kubectl /usr/local/bin/

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AWS ECS Common Commands

List Clusters

aws ecs list-clusters

List Services

aws ecs list-services

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Building a docker image

Dockerfile sample

FROM node:latest
MAINTAINER Silvio Ramalho

ENV NODE_ENV=production
ENV PORT=3000

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Common Docker Commands

Ref: https://docs.docker.com/engine/reference/commandline/docker/

Run docker (Auto download if necessary)

docker run ubuntu

Running Providing name to container

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Install Docker on Ubuntu

sudo apt-get remove docker docker-engine docker.io

sudo apt-get update

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

sudo add-apt-repository \