added docker files

src/.dockerignore

@@ -0,0 +1,25 @@
+**/.classpath
+**/.dockerignore
+**/.env
+**/.git
+**/.gitignore
+**/.project
+**/.settings
+**/.toolstarget
+**/.vs
+**/.vscode
+**/*.*proj.user
+**/*.dbmdl
+**/*.jfm
+**/azds.yaml
+**/bin
+**/charts
+**/docker-compose*
+**/Dockerfile*
+**/node_modules
+**/npm-debug.log
+**/obj
+**/secrets.dev.yaml
+**/values.dev.yaml
+LICENSE
+README.md

src/Captcha.Net.Sample/Captcha.Net.Sample.csproj

@@ -5,8 +5,13 @@
     <TargetFramework>net6.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.18.1" />
+  </ItemGroup>
+
   <ItemGroup>
     <ProjectReference Include="..\Captcha.Net\Captcha.Net.csproj" />
   </ItemGroup>

src/Captcha.Net.Sample/Dockerfile

@@ -0,0 +1,21 @@
+#See https://aka.ms/customizecontainer to learn how to customize your debug container and how Visual Studio uses this Dockerfile to build your images for faster debugging.
+
+FROM mcr.microsoft.com/dotnet/runtime:6.0 AS base
+WORKDIR /app
+
+FROM mcr.microsoft.com/dotnet/sdk:6.0 AS build
+WORKDIR /src
+COPY ["Captcha.Net.Sample/Captcha.Net.Sample.csproj", "Captcha.Net.Sample/"]
+COPY ["Captcha.Net/Captcha.Net.csproj", "Captcha.Net/"]
+RUN dotnet restore "Captcha.Net.Sample/Captcha.Net.Sample.csproj"
+COPY . .
+WORKDIR "/src/Captcha.Net.Sample"
+RUN dotnet build "Captcha.Net.Sample.csproj" -c Release -o /app/build
+
+FROM build AS publish
+RUN dotnet publish "Captcha.Net.Sample.csproj" -c Release -o /app/publish /p:UseAppHost=false
+
+FROM base AS final
+WORKDIR /app
+COPY --from=publish /app/publish .
+ENTRYPOINT ["dotnet", "Captcha.Net.Sample.dll"]

src/Captcha.Net.Sample/Program.cs

@@ -4,7 +4,7 @@
 var captchaGenerator = new CaptchaGenerator();
 var currentDirectory = Directory.CreateDirectory("captcha");
 
-for (int i = 0; i < 100; i++)
+for (int i = 0; i < 1000; i++)
 {
     var key = captchaGenerator.GenerateCaptchaCode();
     var result = captchaGenerator.GenerateCaptchaImage(200, 100, key);

src/Captcha.Net.Sample/Properties/launchSettings.json

@@ -6,6 +6,9 @@
     "WSL": {
       "commandName": "WSL2",
       "distributionName": ""
+    },
+    "Docker": {
+      "commandName": "Docker"
     }
   }
 }