Fix Dockerfile not finding binary

.dockerignore

@@ -8,3 +8,4 @@ README.md
 .envrc
 flake.*
 theme.css
+Dockerfile

Cargo.toml

@@ -3,8 +3,6 @@ name = "dref"
 version = "0.2.0"
 edition = "2021"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]
 axum = "0.6.1"
 maud = { git = "https://github.com/mhutter/maud", branch = "axum-0.6", features = ["axum"] }

Dockerfile

@@ -1,17 +1,17 @@
-FROM rust:latest AS builder
+FROM docker.io/library/rust:1.62-alpine as builder
 
-RUN apt update && apt install -y musl-tools musl-dev
+RUN apk add --no-cache musl-dev openssl-dev openssl-libs-static
 RUN update-ca-certificates
 
-WORKDIR /dref
+WORKDIR /build
 
 COPY ./ .
 
-RUN cargo build --release
+RUN cargo build --release --bins
 
 FROM scratch
-WORKDIR /dref
 
-COPY --from=builder /dref/target/release/docker-rs-dashboard ./dref
+COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+COPY --from=builder /build/target/release/dref /
 
-CMD ["/dref/dref"]
+CMD ["./dref"]