diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 00000000..b6f569a2
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,63 @@
+# If this file is renamed, the incrementing run attempt number will be reset.
+
+name: CI
+
+on:
+  push:
+    branches: [ "dev", "main" ]
+  pull_request:
+    branches: [ "dev", "main" ]
+
+env:
+  CI_BUILD_NUMBER_BASE: ${{ github.run_number }}
+  CI_TARGET_BRANCH: ${{ github.head_ref || github.ref_name }}
+  CI_PUBLISH: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+
+jobs:
+  build-windows:
+    name: Build (Windows)
+    runs-on: windows-latest
+
+    permissions:
+      contents: write
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 9.0.x
+      - name: Build and Publish
+        env:
+          DOTNET_CLI_TELEMETRY_OPTOUT: true
+          NUGET_API_KEY: ${{ secrets.NUGET_API_KEY }}
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        shell: pwsh
+        run: |
+          ./build/Build.Windows.ps1
+
+  build-linux:
+    name: Build (Linux)
+    runs-on: ubuntu-22.04
+
+    permissions:
+      contents: write
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 9.0.x
+      - name: Configure Docker
+        run: |
+          docker run --privileged --rm linuxkit/binfmt:bebbae0c1100ebf7bf2ad4dfb9dfd719cf0ef132
+          sudo service docker restart
+      - name: Build and Publish
+        env:
+          DOTNET_CLI_TELEMETRY_OPTOUT: true
+          DOCKER_USER: ${{ secrets.DOCKER_USER }}
+          DOCKER_TOKEN: ${{ secrets.DOCKER_TOKEN }}
+        shell: pwsh
+        run: |
+          ./build/Build.Linux.ps1
diff --git a/Build.Common.ps1 b/Build.Common.ps1
deleted file mode 100644
index 87f2d499..00000000
--- a/Build.Common.ps1
+++ /dev/null
@@ -1,12 +0,0 @@
-function Get-SemVer($shortver)
-{
-    # This script originally (c) 2016 Serilog Contributors - license Apache 2.0
-    $branch = @{ $true = $env:APPVEYOR_REPO_BRANCH; $false = $(git symbolic-ref --short -q HEAD) }[$env:APPVEYOR_REPO_BRANCH -ne $NULL];
-    $suffix = @{ $true = ""; $false = ($branch.Substring(0, [math]::Min(10,$branch.Length)) -replace '[\/\+]','-').Trim("-")}[$branch -eq "main"]
-
-    if ($suffix) {
-        $shortver + "-" + $suffix
-    } else {
-        $shortver
-    }
-}
diff --git a/Setup.ps1 b/Setup.ps1
deleted file mode 100644
index 2cef90f3..00000000
--- a/Setup.ps1
+++ /dev/null
@@ -1,11 +0,0 @@
-$ErrorActionPreference = "Stop"
-
-$RequiredDotnetVersion =  $(cat ./ci.global.json | convertfrom-json).sdk.version
-
-New-Item -ItemType Directory -Force "./build/" | Out-Null
-
-Invoke-WebRequest "https://dot.net/v1/dotnet-install.ps1" -OutFile "./build/installcli.ps1"
-& ./build/installcli.ps1 -InstallDir "$pwd/.dotnetcli" -NoPath -Version $RequiredDotnetVersion
-if ($LASTEXITCODE) { throw ".NET install failed" }
-
-$env:Path = "$pwd/.dotnetcli;$env:Path"
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index c0f95e9e..00000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,56 +0,0 @@
-version: 2025.1.{build}
-skip_tags: true
-image:
-- Visual Studio 2022
-- Ubuntu2004
-environment:
-  DOCKER_TOKEN:
-   secure: QKr2YEuliXdFKe3jN7w97w==
-  DOCKER_USER:
-    'datalustbuild'
-test: off
-artifacts:
-- path: artifacts/seqcli-*.zip
-- path: artifacts/seqcli-*.tar.gz
-- path: artifacts/seqcli.*.nupkg
-- path: artifacts/seqcli-*.md
-
-for:
--
-  matrix:
-    only:
-      - image: Visual Studio 2022
-
-  install:
-  - pwsh: ./Setup.ps1
-
-  build_script:
-    - pwsh: ./Build.ps1
-      
-  deploy:
-  
-  - provider: NuGet
-    api_key:
-      secure: 8gHaCWoeZrbMxRKH09E/cwYxYVvkiJ9P/GXC8H4oNxoYZ2pQgeWzBGkOT9noYrBU
-    skip_symbols: true
-    artifact: /seqcli\..*\.nupkg/
-    on:
-      branch: main
-      
-  - provider: GitHub
-    auth_token:
-      secure: Bo3ypKpKFxinjR9ShkNekNvkob2iklHJU+UlYyfHtcFFIAa58SV2TkEd0xWxz633
-    artifact: /seqcli-.*\.(nupkg|zip|tar\.gz)/
-    tag: v$(appveyor_build_version)
-    on:
-      branch: main
--
-  matrix:
-    only:
-      - image: Ubuntu2004
-
-  install:
-  - pwsh: ./setup.sh
-
-  build_script:
-  - pwsh: $env:PATH = "$env:HOME/.dotnetcli:$env:PATH"; ./Build.Docker.ps1
diff --git a/baseversion b/baseversion
new file mode 100644
index 00000000..103ea540
--- /dev/null
+++ b/baseversion
@@ -0,0 +1 @@
+2025.1
\ No newline at end of file
diff --git a/build/Build.Common.ps1 b/build/Build.Common.ps1
new file mode 100644
index 00000000..711462c1
--- /dev/null
+++ b/build/Build.Common.ps1
@@ -0,0 +1,16 @@
+function Get-SemVer()
+{
+    $branch = @{ $true = $env:CI_TARGET_BRANCH; $false = $(git symbolic-ref --short -q HEAD) }[$NULL -ne $env:CI_TARGET_BRANCH];
+    $revision = @{ $true = "{0:00000}" -f $([convert]::ToInt32($env:CI_BUILD_NUMBER_BASE, 10) + 2300); $false = "local" }[$NULL -ne $env:CI_BUILD_NUMBER_BASE]
+    $suffix = @{ $true = ""; $false = "$($branch.Substring(0, [math]::Min(10,$branch.Length)) -replace '([^a-zA-Z0-9\-]*)', '')-$revision"}[$branch -eq "main" -and $revision -ne "local"]
+    $commitHash = $(git rev-parse --short HEAD)
+    $buildSuffix = @{ $true = "$($suffix)-$($commitHash)"; $false = "$($branch)-$($commitHash)" }[$suffix -ne ""]
+
+    $base = $(Get-Content ./baseversion).Trim()
+
+    if ($suffix) {
+        $base + "." + $revision + "-" + $suffix
+    } else {
+        $revision
+    }
+}
diff --git a/Build.Docker.ps1 b/build/Build.Linux.ps1
similarity index 70%
rename from Build.Docker.ps1
rename to build/Build.Linux.ps1
index e68c4381..aa2c188a 100644
--- a/Build.Docker.ps1
+++ b/build/Build.Linux.ps1
@@ -1,11 +1,9 @@
-Push-Location $PSScriptRoot
+Push-Location $PSScriptRoot/../
 
-. ./Build.Common.ps1
+. ./build/Build.Common.ps1
 
-$IsCIBuild = $null -ne $env:APPVEYOR_BUILD_NUMBER
-$IsPublishedBuild = ($env:APPVEYOR_REPO_BRANCH -eq "main" -or $env:APPVEYOR_REPO_BRANCH -eq "dev") -and $null -eq $env:APPVEYOR_PULL_REQUEST_HEAD_REPO_BRANCH
+$version = Get-SemVer
 
-$version = Get-SemVer(@{ $true = $env:APPVEYOR_BUILD_VERSION; $false = "99.99.99" }[$env:APPVEYOR_BUILD_VERSION -ne $NULL])
 $framework = "net9.0"
 $image = "datalust/seqcli"
 $archs = @(
@@ -13,16 +11,13 @@ $archs = @(
     @{ rid = "arm64"; platform = "linux/arm64/v8" }
 )
 
-$endToEndVersion = "preview"
-
 function Execute-Tests
 {
     & dotnet test ./test/SeqCli.Tests/SeqCli.Tests.csproj -c Release -f $framework /p:Configuration=Release /p:VersionPrefix=$version
     if ($LASTEXITCODE -ne 0) { exit 1 }
 
     cd ./test/SeqCli.EndToEnd/
-    docker pull "datalust/seq:$endToEndVersion"
-    docker tag "datalust/seq:$endToEndVersion" datalust/seq:latest
+    docker pull datalust/seq:latest
     & dotnet run -f $framework -- --docker-server
     if ($LASTEXITCODE -ne 0)
     { 
@@ -35,6 +30,7 @@ function Execute-Tests
 function Build-DockerImage($arch)
 {
     $rid = "linux-$($arch.rid)"
+    
     & dotnet publish src/SeqCli/SeqCli.csproj -c Release -f $framework -r $rid --self-contained /p:VersionPrefix=$version /p:PublishSingleFile=true
     if($LASTEXITCODE -ne 0) { exit 2 }
 
@@ -42,14 +38,19 @@ function Build-DockerImage($arch)
     if($LASTEXITCODE -ne 0) { exit 3 }
 }
 
-function Publish-DockerImage($arch)
+function Login-ToDocker()
 {
     $ErrorActionPreference = "SilentlyContinue"
 
-    if ($IsCIBuild) {
-        Write-Output "$env:DOCKER_TOKEN" | docker login -u $env:DOCKER_USER --password-stdin
-        if ($LASTEXITCODE) { exit 3 }
-    }
+    Write-Output "$env:DOCKER_TOKEN" | docker login -u $env:DOCKER_USER --password-stdin
+    if ($LASTEXITCODE) { exit 3 }
+
+    $ErrorActionPreference = "Stop"
+}
+
+function Publish-DockerImage($arch)
+{
+    $ErrorActionPreference = "SilentlyContinue"
 
     & docker push "$image-ci:$version-$($arch.rid)"
     if($LASTEXITCODE -ne 0) { exit 3 }
@@ -76,13 +77,15 @@ Execute-Tests
 
 foreach ($arch in $archs) {
     Build-DockerImage($arch)
+}
 
-    if ($IsPublishedBuild) {
+if ("$($env:DOCKER_TOKEN)" -ne "") {
+    Login-ToDocker
+
+    foreach ($arch in $archs) {
         Publish-DockerImage($arch)
     }
-}
 
-if ($IsPublishedBuild) {
     Publish-DockerManifest($archs)
 }
 
diff --git a/Build.ps1 b/build/Build.Windows.ps1
similarity index 79%
rename from Build.ps1
rename to build/Build.Windows.ps1
index caf8ff60..c36fe1f6 100644
--- a/Build.ps1
+++ b/build/Build.Windows.ps1
@@ -1,10 +1,11 @@
-Push-Location $PSScriptRoot
+Push-Location $PSScriptRoot/../
 
-. ./Build.Common.ps1
+. ./build/Build.Common.ps1
 
 $ErrorActionPreference = 'Stop'
 
-$version = Get-SemVer(@{ $true = $env:APPVEYOR_BUILD_VERSION; $false = "99.99.99" }[$env:APPVEYOR_BUILD_VERSION -ne $NULL])
+$version = Get-SemVer
+
 $framework = 'net9.0'
 $windowsTfmSuffix = '-windows'
 
@@ -78,6 +79,26 @@ function Publish-Docs($version)
     if($LASTEXITCODE -ne 0) { throw "Build failed" }
 }
 
+function Upload-NugetPackages
+{
+    # GitHub Actions will only supply this to branch builds and not PRs. We publish
+    # builds from any branch this action targets (i.e. main and dev).
+
+    Write-Output "build: Publishing NuGet packages"
+
+    foreach ($nupkg in Get-ChildItem artifacts/*.nupkg) {
+        & dotnet nuget push -k $env:NUGET_API_KEY -s https://api.nuget.org/v3/index.json "$nupkg"
+        if($LASTEXITCODE -ne 0) { throw "Publishing failed" }
+    }
+}
+
+function Upload-GitHubRelease($version)
+{
+    Write-Output "build: Creating release for version $version"
+
+    iex "gh release create v$version --title v$version --generate-notes $(get-item ./artifacts/*)"
+}
+
 function Remove-GlobalJson
 {
     if(Test-Path ./global.json) { rm ./global.json }    
@@ -104,6 +125,16 @@ Publish-Archives($version)
 Publish-DotNetTool($version)
 Execute-Tests($version)
 Publish-Docs($version)
+
+if ("$($env:NUGET_API_KEY)" -ne "")
+{
+    Upload-NugetPackages
+}
+
+if ($env:CI_PUBLISH -eq "True") {
+    Upload-GitHubRelease($version)
+}
+
 Remove-GlobalJson
 
 Pop-Location
diff --git a/docker-publish.ps1 b/docker-publish.ps1
deleted file mode 100644
index 99399c59..00000000
--- a/docker-publish.ps1
+++ /dev/null
@@ -1,59 +0,0 @@
-param (
-  [Parameter(Mandatory=$True)]
-  [string] $version
-)
-
-$ErrorActionPreference = "Stop"
-
-$versionParts = $version.Split('.')
-
-$major = $versionParts[0]
-$minor = $versionParts[1]
-$isPre = $version.endswith("pre")
-
-$image = "datalust/seqcli"
-$archs = @("x64", "arm64")
-$publishImages = @()
-
-foreach ($arch in $archs) {
-    $ciImage = "$image-ci:$version-$arch"
-    $publishImage = "$($image):$version-$arch";
-
-    docker pull $ciImage
-    if ($LASTEXITCODE) { exit 1 }
-
-    docker tag $ciImage $publishImage
-    if ($LASTEXITCODE) { exit 1 }
-
-    docker push $publishImage    
-    if ($LASTEXITCODE) { exit 1 }
-    
-    $publishImages += $publishImage
-}
-
-$publishManifest = "$($image):$version"
-
-$pushTags = @($publishManifest)
-
-if ($isPre -eq $True) {
-    $pushTags += "$($image):preview"
-} else {
-    $pushTags += "$($image):$major", "$($image):$major.$minor", "$($image):latest"
-}
-
-$choices  = "&Yes", "&No"
-$decision = $Host.UI.PromptForChoice("Publishing ($publishManifest) as ($pushTags)", "Does this look right?", $choices, 1)
-if ($decision -eq 0) {
-    foreach ($pushTag in $pushTags) {
-        Write-Host "Publishing $pushTag"
-
-        echo "creating manifest $pushTag from $publishImages"
-        iex "docker manifest create $pushTag $publishImages"
-        if ($LASTEXITCODE) { exit 1 }
-
-        docker manifest push $pushTag
-        if ($LASTEXITCODE) { exit 1 }
-    }
-} else {
-    Write-Host "Cancelled"
-}
diff --git a/setup.sh b/setup.sh
deleted file mode 100755
index 8477bc42..00000000
--- a/setup.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/bin/bash
-
-# Exit if any command fails
-set -e
-set -o pipefail
-
-sudo apt-get update || true
-sudo apt-get install -y --no-install-recommends jq
-
-RequiredDotnetVersion=$(jq -r '.sdk.version' ci.global.json)
-
-curl https://dot.net/v1/dotnet-install.sh -sSfL --output dotnet-install.sh
-chmod +x dotnet-install.sh
-./dotnet-install.sh --install-dir $HOME/.dotnetcli --no-path --version $RequiredDotnetVersion
-rm dotnet-install.sh
-
-docker run --privileged --rm linuxkit/binfmt:bebbae0c1100ebf7bf2ad4dfb9dfd719cf0ef132
-sudo service docker restart
diff --git a/test/SeqCli.EndToEnd/Support/TestConfiguration.cs b/test/SeqCli.EndToEnd/Support/TestConfiguration.cs
index dd715813..1f33b97b 100644
--- a/test/SeqCli.EndToEnd/Support/TestConfiguration.cs
+++ b/test/SeqCli.EndToEnd/Support/TestConfiguration.cs
@@ -41,7 +41,7 @@ public CaptiveProcess SpawnServerProcess(string storagePath)
         {
             var containerName = Guid.NewGuid().ToString("n");
             const string containerRuntime = "docker";
-            return new CaptiveProcess(containerRuntime, $"run --name {containerName} -it --rm -e ACCEPT_EULA=Y -p {_serverListenPort}:80 datalust/seq:{imageTag}", stopCommandFullExePath: containerRuntime, stopCommandArgs: $"stop {containerName}");
+            return new CaptiveProcess(containerRuntime, $"run --name {containerName} -d -e ACCEPT_EULA=Y -p {_serverListenPort}:80 datalust/seq:{imageTag}", stopCommandFullExePath: containerRuntime, stopCommandArgs: $"rm -f {containerName}");
         }
         
         return new CaptiveProcess("seq", commandWithArgs);