Add Dockerfile

Dockerfile

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+# Get started with a build env with Rust nightly
+FROM docker.io/rustlang/rust:nightly-bullseye as builder
+
+# If you’re using stable, use this instead
+# FROM docker.io/rust:1.70-bullseye as builder
+
+# Install cargo-binstall, which makes it easier to install other
+# cargo extensions like cargo-leptos
+RUN wget https://github.com/cargo-bins/cargo-binstall/releases/latest/download/cargo-binstall-x86_64-unknown-linux-musl.tgz
+RUN tar -xvf cargo-binstall-x86_64-unknown-linux-musl.tgz
+RUN cp cargo-binstall /usr/local/cargo/bin
+
+# Install cargo-leptos
+RUN cargo binstall cargo-leptos -y
+
+# Add the WASM target
+RUN rustup target add wasm32-unknown-unknown
+
+# Make an /app dir, which everything will eventually live in
+RUN mkdir -p /app
+WORKDIR /app
+COPY . .
+
+# Build the app
+RUN cargo leptos build --release -vv
+
+FROM rustlang/rust:nightly-bullseye as runner
+# Copy the server binary to the /app directory
+COPY --from=builder /app/target/release/portfolio /app/
+# /target/site contains our JS/WASM/CSS, etc.
+COPY --from=builder /app/target/site /app/site
+# Copy Cargo.toml if it’s needed at runtime
+COPY --from=builder /app/Cargo.toml /app/
+WORKDIR /app
+
+# Set any required env variables and
+ENV RUST_LOG="info"
+ENV APP_ENVIRONMENT="production"
+ENV LEPTOS_SITE_ADDR="0.0.0.0:8080"
+ENV LEPTOS_SITE_ROOT="site"
+EXPOSE 8080
+# Run the server
+CMD ["/app/portfolio"]