tsk-42: Dockerize the service (#44)

Closes #42

Reviewed-on: #44
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

.dockerignore.yaml

@@ -0,0 +1,18 @@
+# Ignore build artifacts
+target/
+pkg/
+
+# Ignore git directory
+.git/
+
+.gitea/
+
+# Ignore environment files (configure via docker-compose instead)
+.env*
+
+# Ignore IDE/editor specific files
+.idea/
+.vscode/
+
+# Ignore OS specific files
+*.DS_Store

.env.docker.sample

@@ -1,4 +1,4 @@
-ROOT_DIRECTORY=/home/songparser/mydata
+ROOT_DIRECTORY=/usr/local/bin
-ICARUS_BASE_API_URL=http://localhost:3000
+ICARUS_BASE_API_URL=http://api:3000
-ICARUS_AUTH_BASE_API_URL=http://localhost:3001
+ICARUS_AUTH_BASE_API_URL=http://auth_api:3000
 SERVICE_PASSPHRASE=iUOo1fxshf3y1tUGn1yU8l9raPApHCdinW0VdCHdRFEjqhR3Bf02aZzsKbLtaDFH

Cargo.lock

@@ -1318,7 +1318,7 @@ dependencies = [
 
 [[package]]
 name = "songparser"
-version = "0.2.5"
+version = "0.2.6"
 dependencies = [
  "futures",
  "icarus_envy",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "songparser"
-version = "0.2.5"
+version = "0.2.6"
 edition = "2024"
 rust-version = "1.88"
 

Dockerfile

@@ -0,0 +1,63 @@
+# Stage 1: Build the application
+# Use a specific Rust version for reproducibility. Choose one that matches your development environment.
+# Using slim variant for smaller base image
+FROM rust:1.88 as builder
+
+# Set the working directory inside the container
+WORKDIR /usr/src/app
+
+# Install build dependencies if needed (e.g., git for cloning)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    pkg-config libssl3 \
+    ca-certificates \
+    openssh-client git \
+    && rm -rf /var/lib/apt/lists/*
+
+# << --- ADD HOST KEY HERE --- >>
+# Replace 'yourgithost.com' with the actual hostname (e.g., github.com)
+RUN mkdir -p -m 0700 ~/.ssh && \
+    ssh-keyscan git.kundeng.us >> ~/.ssh/known_hosts
+
+# Copy Cargo manifests
+COPY Cargo.toml Cargo.lock ./
+
+# Build *only* dependencies to leverage Docker cache
+# This dummy build caches dependencies as a separate layer
+RUN --mount=type=ssh mkdir src && \
+    echo "fn main() {println!(\"if you see this, the build broke\")}" > src/main.rs && \
+    cargo build --release --quiet && \
+    rm -rf src target/release/deps/songparser* # Clean up dummy build artifacts (replace songparser)
+
+# Copy the actual source code
+COPY src ./src
+# If you have other directories like `templates` or `static`, copy them too
+COPY .env ./.env
+
+# << --- SSH MOUNT ADDED HERE --- >>
+# Build *only* dependencies to leverage Docker cache
+# This dummy build caches dependencies as a separate layer
+# Mount the SSH agent socket for this command
+RUN --mount=type=ssh \
+    cargo build --release --quiet
+
+# Stage 2: Create the final, smaller runtime image
+# Use a minimal base image like debian-slim or even distroless for security/size
+FROM ubuntu:24.04
+
+# Install runtime dependencies if needed (e.g., SSL certificates)
+RUN apt-get update && apt-get install -y ca-certificates libssl-dev libssl3 && rm -rf /var/lib/apt/lists/*
+
+# Set the working directory
+WORKDIR /usr/local/bin
+
+# Copy the compiled binary from the builder stage
+# Replace 'songparser' with the actual name of your binary (usually the crate name)
+COPY --from=builder /usr/src/app/target/release/songparser .
+
+# Copy other necessary files like .env (if used for runtime config) or static assets
+# It's generally better to configure via environment variables in Docker though
+COPY --from=builder /usr/src/app/.env .
+
+# Set the command to run your application
+# Ensure this matches the binary name copied above
+CMD ["./songparser"]

docker-compose.yaml

@@ -0,0 +1,12 @@
+version: '3.8' # Use a recent version
+
+services:
+  # Your Rust Application Service
+  songparser:
+    build: # Tells docker-compose to build the Dockerfile in the current directory
+      context: .
+      ssh: ["default"]  # Uses host's SSH agent
+    container_name: songparser # Optional: Give the container a specific name
+    env_file:
+      - .env
+    restart: unless-stopped # Optional: Restart policy

src/main.rs

@@ -16,6 +16,9 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         auth_uri: icarus_envy::environment::get_icarus_auth_base_api_url().await,
         ..Default::default()
     };
+    println!("Base URL: {:?}", app.uri);
+    println!("Auth URL: {:?}", app.auth_uri);
+
     match auth::get_token(&app).await {
         Ok(login_result) => {
             app.token = login_result;
@@ -27,8 +30,6 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     };
 
     loop {
-        println!("Base URL: {:?}", app.uri);
-        println!("Auth URL: {:?}", app.auth_uri);
         println!("Token: {:?}", app.token);
 
         if auth::did_token_expire(&app.token).await {