Dockerfile

build/Dockerfile

@@ -1,42 +1,20 @@
-# Der Build-Stage
-FROM rust:1-slim AS builder
+FROM lukemathwalker/cargo-chef:latest-rust-1 AS chef
 WORKDIR /app
 
-# Kopiere die Cargo.toml und den Quellcode ins Arbeitsverzeichnis
-COPY Cargo.toml .
-COPY src ./src
+FROM chef AS planner
+COPY . .
+RUN cargo chef prepare --recipe-path recipe.json
 
-# Installiere notwendige Tools
-RUN apt-get update && apt-get install -y musl-tools
+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 cronjoblistener
 
-# Setze das Target Triple basierend auf der Architektur
-ARG TARGETARCH
-ENV RUST_TARGET_TRIPLE=""
-
-# Mapping der Architektur zu den korrekten Rust Triple
-RUN if [ "$TARGETARCH" = "amd64" ]; then \
-        export RUST_TARGET_TRIPLE=x86_64-unknown-linux-musl; \
-    elif [ "$TARGETARCH" = "arm64" ]; then \
-        export RUST_TARGET_TRIPLE=aarch64-unknown-linux-musl; \
-    fi && \
-    rustup target add ${RUST_TARGET_TRIPLE} && \
-    cargo build --release --target ${RUST_TARGET_TRIPLE}
-
-# Der finale Stage, der das Ergebnis des Builds verwendet
-FROM scratch
-# Verwende das gleiche ARG wie im Build-Stage
-ARG TARGETARCH
-ENV RUST_TARGET_TRIPLE=""
-
-# Setze das Triple erneut, damit es auch im finalen Stage verfügbar ist
-RUN if [ "$TARGETARCH" = "amd64" ]; then \
-        export RUST_TARGET_TRIPLE=x86_64-unknown-linux-musl; \
-    elif [ "$TARGETARCH" = "arm64" ]; then \
-        export RUST_TARGET_TRIPLE=aarch64-unknown-linux-musl; \
-    fi
-
-# Kopiere das gebaute Binary aus dem Build-Stage in das finale Image
-COPY --from=builder /app/target/${RUST_TARGET_TRIPLE}/release/cronjoblistener /app/cronjoblistener
-
-# Setze das Entry Point für den Container
-ENTRYPOINT ["/app/cronjoblistener"]
+# We do not need the Rust toolchain to run the binary!
+FROM debian:bookworm-slim AS runtime
+WORKDIR /app
+COPY --from=builder /app/target/release/cronjoblistener /usr/local/bin
+ENTRYPOINT ["/usr/local/bin/cronjoblistener"]

build/recipe.json

@@ -0,0 +1 @@
+{"skeleton":{"manifests":[{"relative_path":"Cargo.toml","contents":"bench = []\ntest = []\nexample = []\n\n[[bin]]\npath = \"src/main.rs\"\nname = \"cronjoblistener\"\nplugin = false\nproc-macro = false\nedition = \"2021\"\nrequired-features = []\n\n[package]\nname = \"cronjoblistener\"\nedition = \"2021\"\nversion = \"0.0.1\"\n\n[dependencies]\nbollard = \"0.17\"\ndotenv = \"0.15\"\nenv_logger = \"0.11\"\nfutures-util = \"0.3\"\nlog = \"0.4\"\nserde_json = \"1.0\"\n\n[dependencies.serde]\nversion = \"1\"\nfeatures = [\"derive\"]\n\n[dependencies.tokio]\nversion = \"1\"\nfeatures = [\"full\"]\n\n[profile.release]\nopt-level = \"z\"\nlto = true\nstrip = true\n\n[profile.release.package]\n","targets":[{"path":"src/main.rs","kind":"Bin","name":"cronjoblistener"}]}],"config_file":null,"lock_file":null,"rust_toolchain_file":null}}