feat: update workspace members, add backend service to docker-compose, and create Dockerfile for static linking

Cargo.lock

@@ -1045,16 +1045,6 @@ dependencies = [
  "cipher",
 ]
 
-[[package]]
-name = "ctrlc"
-version = "3.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90eeab0aa92f3f9b4e87f258c72b139c207d251f9cbc1080a0086b86a8870dd3"
-dependencies = [
- "nix",
- "windows-sys 0.59.0",
-]
-
 [[package]]
 name = "darling"
 version = "0.20.10"
@@ -2088,18 +2078,6 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e94e1e6445d314f972ff7395df2de295fe51b71821694f0b0e1e79c4f12c8577"
 
-[[package]]
-name = "nix"
-version = "0.29.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71e2746dc3a24dd78b3cfcb7be93368c6de9963d30f43a6a73998a9cf4b17b46"
-dependencies = [
- "bitflags",
- "cfg-if",
- "cfg_aliases",
- "libc",
-]
-
 [[package]]
 name = "num-bigint"
 version = "0.4.6"
@@ -4178,14 +4156,6 @@ dependencies = [
  "tap",
 ]
 
-[[package]]
-name = "xtask"
-version = "0.1.0"
-dependencies = [
- "clap",
- "ctrlc",
-]
-
 [[package]]
 name = "yansi"
 version = "1.0.1"

Cargo.toml

@@ -1,5 +1,5 @@
 [workspace]
-members = ["crates/backend", "crates/migration", "crates/xtask"]
+members = ["crates/backend", "crates/migration"]
 resolver = "3"
 
 [workspace.package]

backend.Dockerfile

@@ -0,0 +1,52 @@
+# ---- Stage 1: Build (Static Linking) ----
+FROM rust:latest as builder
+
+WORKDIR /usr/src/app
+
+# Install the musl target and musl-tools
+RUN rustup target add x86_64-unknown-linux-musl
+RUN apt-get update && apt-get install -y musl-tools
+
+# Create a .cargo directory and configure for static linking with musl
+RUN mkdir -p .cargo
+RUN echo '[target.x86_64-unknown-linux-musl]' > .cargo/config.toml
+RUN echo 'linker = "rust-lld"' >> .cargo/config.toml
+
+# Copy configuration and lock files needed to resolve dependencies
+COPY Cargo.toml ./Cargo.toml
+COPY Cargo.lock ./Cargo.lock
+COPY crates/backend/Cargo.toml crates/backend/Cargo.toml
+COPY crates/migration/Cargo.toml crates/migration/Cargo.toml
+
+# Fetch dependencies based on the lock file.
+RUN cargo fetch
+
+# Copy the actual source code for all workspace members
+COPY crates/backend/ crates/backend/
+COPY crates/migration/ crates/migration/
+
+# Build the release binary for the musl target
+RUN cargo build --release --target x86_64-unknown-linux-musl
+
+# Debug: List the built binaries to verify what we have
+RUN ls -la /usr/src/app/target/x86_64-unknown-linux-musl/release/
+
+# ---- Stage 2: Runtime ----
+FROM alpine:latest
+
+# Install minimal runtime dependencies (ca-certificates is often needed)
+RUN apk add --no-cache ca-certificates
+
+WORKDIR /app
+
+# Copy only the statically linked compiled binary from the builder stage
+COPY --from=builder /usr/src/app/target/x86_64-unknown-linux-musl/release/backend /app/backend
+
+# Verify the binary exists and is executable
+RUN ls -la /app && chmod +x /app/backend
+
+# Expose the port the application listens on
+EXPOSE 8080
+
+# Set the command to run the application
+CMD ["/app/backend"]

crates/backend/Cargo.toml

@@ -32,6 +32,9 @@ dotenvy = "0.15"
 [dev-dependencies]
 temp-env = "*"
 
-
 [features]
 serve = []
+
+[[bin]]
+name = "backend"
+path = "src/main.rs"

dev-compose.yml

@@ -52,6 +52,26 @@ services:
       interval: 30s
       retries: 3
 
+  backend:
+    build:
+      context: .
+      dockerfile: ./backend.Dockerfile
+    image: peer-group-grading:latest
+    restart: unless-stopped
+    environment:
+      DB_NAME: ${DB_NAME}
+      DB_USER: ${DB_USER}
+      DB_PASSWORD: ${DB_PASSWORD}
+      DB_HOST: db
+      DB_PORT: 5432
+      REDIS_HOST: redis
+      REDIS_PORT: 6379
+    ports:
+      - "8080:8080"
+    depends_on:
+      - db
+      - redis
+
 volumes:
   postgres_data:
   redis: