build: 👷 Add Dockerfile.

Cargo.toml

@@ -1,10 +1,10 @@
 [package]
 name = "rsjudge"
-description = "An online judge sandbox server in Rust."
 version = "0.1.0"
+authors = ["NJUPT-SAST"]
 edition = "2021"
 license = "Unknown"
-authors = ["NJUPT-SAST"]
+description = "An online judge sandbox server in Rust."
 
 [package.metadata.deb]
 assets = [
@@ -39,21 +39,21 @@ systemd-units = { enable = false }
 [dependencies]
 cgroups = "0.1.0"
 clap = { version = "4.4.11", features = ["derive"] }
+nix = { version = "0.27.1", features = ["fs"] }
 serde = { version = "1.0.193", features = ["derive"] }
 shadow-rs = "0.25.0"
 strfmt = "0.2.4"
-tokio = { version = "1.35.0", features = ["fs"] }
+tokio = { version = "1.35.1", features = ["fs"] }
 toml = "0.8.8"
 
 # Optional dependencies
 axum = { version = "0.7.2", optional = true }
 tonic = { version = "0.10.2", optional = true }
 utoipa = { version = "4.1.0", features = ["axum_extras"], optional = true }
 utoipa-swagger-ui = { version = "5.0.0", features = ["axum"], optional = true }
-nix = { version = "0.27.1", features = ["fs"] }
 
 [dev-dependencies]
-tokio = { version = "1.35.0", features = ["rt-multi-thread", "macros"] }
+tokio = { version = "1.35.1", features = ["rt-multi-thread", "macros"] }
 
 [features]
 grpc = ["dep:tonic"]

Dockerfile

@@ -0,0 +1,32 @@
+# Use the official Rust image as the base image
+FROM rust:latest AS builder
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Copy the Cargo.toml and Cargo.lock files to the container
+COPY Cargo.toml Cargo.lock ./
+
+# Build the dependencies separately to take advantage of Docker layer caching
+RUN mkdir -p src && touch src/lib.rs && cargo build --release && rm -rf src
+
+# Copy the source code to the container
+COPY build.rs .
+COPY src ./src
+
+# Build the project
+RUN cargo build --release
+
+# Create a new container for running the build executable
+FROM debian:stable-slim
+
+# Set the working directory inside the container
+WORKDIR /app
+
+# Copy the build executable from the builder container
+COPY --from=builder /app/target/release/rsjudge .
+
+COPY templates/* config/
+
+# Set the entry point for the container
+CMD ["./rsjudge", "-c", "config"]