mthalman

flowchart TD
    A(docker-bump-action) -->B(dredge)
    A-->C(dockerfile-spy)
    B-->D(docker-creds-provider)
    B-->F(docker-registry-client)
    B-->E(dockerfile-model)
    C-->E

mthalman

FROM mcr.microsoft.com/dotnet/sdk:8.0-jammy AS installer

RUN mkdir /pwsh-symlink \
    && ln -s /usr/share/powershell/pwsh /pwsh-symlink/pwsh

FROM mcr.microsoft.com/dotnet/runtime:8.0-jammy-chiseled

COPY --from=installer /usr/share/powershell /usr/share/powershell
COPY --from=installer ["/pwsh-symlink", "/usr/bin"]

mthalman

docker run --name test1 -it --entrypoint /bin/sh --privileged <image-name>

In Container:

echo "/cores/core" | tee /proc/sys/kernel/core_pattern
mkdir /cores
ulimit -c unlimited

mthalman

Linux

myImage="<insert-my-image-digest>"
baseImage="<insert-base-image-tag>"

function isBuiltOnLatestBaseImage() {
    echo "Pulling $myImage"
    docker pull $myImage

mthalman

Developer Productivity Tips

Time management

• Limit the amount of context switching you do, it can lead to mistakes all around
• Queue non-urgent tasks for when you have down time
• Block off time in calendar to focus on a task
• Take breaks

Task management

mthalman

#!/usr/bin/env bash

# Outputs the set of packages that are dependencies of the packages added by a derived container image.

baseTag="debian:buster-slim"
derivedTag="mcr.microsoft.com/dotnet/aspnet:3.1"

containerCmd="apt list --installed 2>/dev/null | grep installed | sed -n 's/^\([^/]*\).*/\1/p' | sort"

deltaPkgs=$(comm -13 <(docker run --rm $baseTag /bin/sh -c "$containerCmd") <(docker run --rm $derivedTag /bin/sh -c "$containerCmd") | tr '\n' ' ')

mthalman

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System;
using Xunit;
using Xunit.Sdk;

namespace Microsoft.DotNet.Docker.Tests
{
    [XunitTestCaseDiscoverer("Microsoft.DotNet.Docker.Tests.DotNetTheoryDiscoverer", "Microsoft.DotNet.Docker.Tests")]

mthalman

<Page
    x:Class="App.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:App"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">