diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
new file mode 100644
index 0000000..9415bb3
--- /dev/null
+++ b/.github/workflows/docker.yml
@@ -0,0 +1,40 @@
+name: Docker
+
+on:
+  push:
+    tags: ["v*"]
+  workflow_dispatch:
+
+jobs:
+  image:
+    name: Образ ${{ matrix.part }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      matrix:
+        part: [backend, nginx]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/setup-buildx-action@v3
+      - uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      # один пакет quizlab, части API различаются тегами: backend-1.2.3 / backend, nginx-1.2.3 / nginx
+      - id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/edeev/quizlab
+          flavor: latest=false
+          tags: |
+            type=semver,pattern={{version}},prefix=${{ matrix.part }}-
+            type=raw,value=${{ matrix.part }}
+      - uses: docker/build-push-action@v6
+        with:
+          context: lab-2/local/${{ matrix.part }}
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3f4a548..32a3406 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -30,15 +30,22 @@ jobs:
           # рантайм MSVC рядом с программой — чтобы не требовался Visual C++ Redistributable
           foreach ($d in "msvcp140.dll","msvcp140_1.dll","vcruntime140.dll","vcruntime140_1.dll") { Copy-Item "$env:WINDIR\System32\$d" dist/quizlab-client/ }
           Compress-Archive -Path dist/quizlab-client -DestinationPath quizlab-client-windows-x64.zip
+      - name: Установщик (Inno Setup)
+        run: |
+          choco install innosetup --no-progress -y | Out-Null
+          $v = if ("${{ github.ref_type }}" -eq "tag") { "${{ github.ref_name }}".TrimStart("v") } else { "0.0.0" }
+          & "${env:ProgramFiles(x86)}\Inno Setup 6\ISCC.exe" /Q "/DAppVersion=$v" lab-3/installer/quizlab-client.iss
       - uses: actions/upload-artifact@v4
         with:
           name: windows
-          path: quizlab-client-windows-x64.zip
+          path: |
+            quizlab-client-windows-x64.zip
+            quizlab-client-setup.exe
       - name: Файл в релиз
         if: startsWith(github.ref, 'refs/tags/')
         env:
           GH_TOKEN: ${{ github.token }}
-        run: gh release upload "${{ github.ref_name }}" quizlab-client-windows-x64.zip --clobber
+        run: gh release upload "${{ github.ref_name }}" quizlab-client-windows-x64.zip quizlab-client-setup.exe --clobber
 
   linux:
     name: Qt-клиент для Linux (AppImage)
diff --git a/lab-3/installer/quizlab-client.iss b/lab-3/installer/quizlab-client.iss
new file mode 100644
index 0000000..04a59e5
--- /dev/null
+++ b/lab-3/installer/quizlab-client.iss
@@ -0,0 +1,40 @@
+; Установщик Qt-клиента для Windows (Inno Setup 6). Версия передаётся из CI: ISCC /DAppVersion=1.0.1
+#ifndef AppVersion
+  #define AppVersion "0.0.0"
+#endif
+
+[Setup]
+AppId={{6F3B2C1E-9A4D-4E7B-8C21-5D0F7A9B3E64}
+AppName=Quiz Client
+AppVersion={#AppVersion}
+AppPublisher=Деев Егор Викторович
+AppPublisherURL=https://github.com/EDeev/quizlab
+DefaultDirName={autopf}\Quiz Client
+DefaultGroupName=Quiz Client
+UninstallDisplayIcon={app}\quizlab-client.exe
+OutputDir=..\..
+OutputBaseFilename=quizlab-client-setup
+Compression=lzma2
+SolidCompression=yes
+WizardStyle=modern
+ArchitecturesAllowed=x64compatible
+ArchitecturesInstallIn64BitMode=x64compatible
+PrivilegesRequiredOverridesAllowed=dialog
+
+[Languages]
+Name: "russian"; MessagesFile: "compiler:Languages\Russian.isl"
+Name: "english"; MessagesFile: "compiler:Default.isl"
+
+[Tasks]
+Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: unchecked
+
+[Files]
+Source: "..\..\dist\quizlab-client\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
+
+[Icons]
+Name: "{group}\Quiz Client"; Filename: "{app}\quizlab-client.exe"
+Name: "{group}\{cm:UninstallProgram,Quiz Client}"; Filename: "{uninstallexe}"
+Name: "{autodesktop}\Quiz Client"; Filename: "{app}\quizlab-client.exe"; Tasks: desktopicon
+
+[Run]
+Filename: "{app}\quizlab-client.exe"; Description: "{cm:LaunchProgram,Quiz Client}"; Flags: nowait postinstall skipifsilent