diff --git a/hasmer/Dockerfile b/hasmer/Dockerfile
new file mode 100644
index 0000000..13d55fb
--- /dev/null
+++ b/hasmer/Dockerfile
@@ -0,0 +1,17 @@
+FROM mcr.microsoft.com/dotnet/sdk:5.0 AS build
+WORKDIR /source
+
+COPY hasmer.sln hasmer.sln
+COPY hasmer-lsp/hasmer-lsp.csproj hasmer-lsp/hasmer-lsp.csproj
+COPY hasmer-cli/hasmer-cli.csproj hasmer-cli/hasmer-cli.csproj
+COPY libhasmer/libhasmer.csproj libhasmer/libhasmer.csproj
+RUN dotnet restore "hasmer.sln"
+
+COPY . .
+RUN dotnet publish -o /app
+
+
+FROM mcr.microsoft.com/dotnet/runtime:5.0
+WORKDIR /assets
+COPY --from=build /app /app
+ENTRYPOINT ["/app/hasmer"]
diff --git a/hasmer/README.md b/hasmer/README.md
index 46bd46e..be9b5ee 100644
--- a/hasmer/README.md
+++ b/hasmer/README.md
@@ -4,10 +4,24 @@ This directory contains the C# source code for `hasmer`, using the .NET 5.0 plat
 
 # Setup
 
-You will need the .NET 5 SDK to compile this project. See the [.NET SDK download page](https://dotnet.microsoft.com/en-us/download) for information on how to download the .NET SDK for your operating system.
+If you don't use the Docker image then you will need the .NET 5 SDK to compile this project. See the [.NET SDK download page](https://dotnet.microsoft.com/en-us/download) for information on how to download the .NET SDK for your operating system.
 
 # Building
 
+## Using Docker
+
+```
+docker build -t hasmer .
+```
+
+From the directory where your bundle is you can then run commands, for example:
+
+```
+docker run --volume $(pwd):/assets hasmer disassemble -i index.android.bundle
+```
+
+## Manually
+
 You can open the solution file (see `hasmer.sln`) in Visual Studio and build and run from Visual Studio.
 
 You can also build from the command line using the .NET SDK CLI: