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diff --git a/examples/docker/unit-wasm.Dockerfile b/examples/docker/unit-wasm.Dockerfile
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+++ b/examples/docker/unit-wasm.Dockerfile
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+# Start with the minimal Docker Official Image so we can use the same defaults
+#
+FROM unit:minimal AS build
+WORKDIR /src
+
+# Get all the build tools we need, including Wasmtime
+#
+#RUN apt update && apt install -y wget git build-essential clang lld libpcre2-dev libssl-dev
+RUN apt update && apt install -y wget git build-essential libpcre2-dev libssl-dev
+RUN wget -O- https://github.com/bytecodealliance/wasmtime/releases/download/v11.0.0/wasmtime-v11.0.0-$(arch)-linux-c-api.tar.xz \
+    | tar Jxfv - && \
+    mkdir /usr/lib/wasmtime && \
+    cp /src/wasmtime-v11.0.0-$(arch)-linux-c-api/lib/* /usr/lib/wasmtime
+
+# Build NGINX JavaScript (njs) so that we have a feature-complete Unit
+#
+RUN git clone https://github.com/nginx/njs.git && \
+    cd njs && \
+    ./configure --no-libxml2 --no-zlib && \
+    make
+
+# Build Unit with the Wasm module, copying the configure arguments from the
+# official image.
+#
+RUN git clone https://github.com/nginx/unit.git && \
+    cd unit && \
+    wget -O- https://github.com/nginx/unit/pull/902.patch | patch -p1 && \
+    ./configure $(unitd --version 2>&1 | tr ' ' '\n' | grep ^-- | grep -v opt=) \
+                --cc-opt="-I/src/njs/src -I/src/njs/build" --ld-opt=-L/src/njs/build && \
+    ./configure wasm --include-path=/src/wasmtime-v11.0.0-$(arch)-linux-c-api/include \
+                     --lib-path=/usr/lib/wasmtime --rpath && \
+    make
+
+# Create a clean final image by copying over only Wasmtime, the new unitd
+# binary, and the Wasm module.
+#
+FROM unit:minimal
+COPY --from=build /src/unit/build/sbin/unitd /usr/sbin
+COPY --from=build /src/unit/build/lib/unit/modules/wasm.unit.so /usr/lib/unit/modules
+COPY --from=build /usr/lib/wasmtime/*.so /usr/lib/wasmtime/