Merge branch 'optimize-docker' into 'main'

make docker containers more efficient

See merge request perditum/rnex-splatoon!12

.dockerignore

@@ -0,0 +1,2 @@
+.env
+target

Cargo.toml

@@ -3,6 +3,17 @@ name = "splatoon-server-rust"
 version = "0.1.0"
 edition = "2021"
 
+[profile.prod]
+inherits = "release"
+overflow-checks = false
+strip = true
+debug = false
+debug-assertions = false
+lto = true
+incremental = false
+
+
+
 [dependencies]
 bytemuck = { version =  "1.21.0", features = ["derive"] }
 dotenv = "0.15.0"

Dockerfile

@@ -1,24 +1,19 @@
-FROM rust:1.85 AS builder
+FROM rust:alpine AS builder
 
 WORKDIR /app
 
 COPY . .
 
-RUN apt-get update && apt-get install protobuf-compiler -y
+RUN apk add --no-cache protobuf-dev git musl-dev lld
 
 RUN git submodule update --init --recursive
 
-RUN cargo build --release
+RUN RUSTFLAGS="-C relocation-model=static -C linker=ld.lld" cargo build --profile prod --target x86_64-unknown-linux-musl
 
-FROM rust:1.85 AS final
-
-WORKDIR /app
+FROM scratch AS final
 
 # Copy the compiled binary from the builder stage
-COPY --from=builder /app/target/release/splatoon-server-rust /app/splatoon-server-rust
-
-# Set executable permissions
-RUN chmod +x /app/splatoon-server-rust
+COPY --from=builder /app/target/x86_64-unknown-linux-musl/prod/splatoon-server-rust /splatoon-server-rust
 
 # Command to run the application
-CMD ["/app/splatoon-server-rust"]
+ENTRYPOINT ["/splatoon-server-rust"]