Add Dockerfile (at the expense of laptop battery)

Author: tazz4843

.dockerignore

@@ -0,0 +1,2 @@
+/.github
+/target

Dockerfile

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+FROM rustlang/rust:nightly-alpine3.21 as build
+
+WORKDIR /scripty
+
+COPY . .
+
+RUN apk add clang mold autoconf libtool automake make cmake
+
+ENV RUSTFLAGS="--emit=asm --cfg tokio_unstable -Clink-arg=-fuse-ld=mold -Zshare-generics=y"
+ENV SQLX_OFFLINE=1
+
+# There's no libopus.a whatsoever in the alpine repositories, so we're forced to build from source
+# Half the installed packages above are *just* for opus
+ENV LIBOPUS_NO_PKG=1
+
+RUN cargo build --release
+
+FROM alpine:3.21
+
+WORKDIR /app
+COPY --from=build /scripty/target/release/scripty_v2 .
+
+RUN adduser --home /nonexistent --no-create-home --disabled-password scripty
+USER scripty
+
+VOLUME "/app/config.toml"
+
+CMD ["/app/scripty_v2", "/app/config.toml"]