add dockerfile

.dockerignore

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+.git/
+.env
+target
+.DS_Store

Dockerfile

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+FROM lukemathwalker/cargo-chef:latest-rust-1.85.0 AS chef
+WORKDIR /app
+
+FROM chef AS planner
+COPY . .
+RUN cargo chef prepare --recipe-path recipe.json
+
+FROM chef AS builder
+COPY --from=planner /app/recipe.json recipe.json
+# Build dependencies - this is the caching Docker layer!
+RUN cargo chef cook --release --recipe-path recipe.json
+# Build application
+COPY . .
+RUN cargo build --release --bin shoutdotdev
+
+# We do not need the Rust toolchain to run the binary!
+FROM debian:bookworm-slim AS runtime
+RUN apt-get update && apt-get install -y libpq-dev
+WORKDIR /app
+COPY --from=builder /app/target/release/shoutdotdev /usr/local/bin
+COPY ./static ./static
+ENTRYPOINT ["/usr/local/bin/shoutdotdev"]