TodoListServer

Signed-off-by: Mike Packard <nguyenphong.mobile.engineer@gmail.com>

Author: NguyenPhongVN

.dockerignore

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+.build/
+.swiftpm/

.gitignore

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+Packages
+.build
+xcuserdata
+*.xcodeproj
+DerivedData/
+.DS_Store
+db.sqlite
+.swiftpm
+

Dockerfile

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+# ================================
+# Build image
+# ================================
+FROM swift:5.5-focal as build
+
+# Install OS updates and, if needed, sqlite3
+RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true \
+    && apt-get -q update \
+    && apt-get -q dist-upgrade -y \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set up a build area
+WORKDIR /build
+
+# First just resolve dependencies.
+# This creates a cached layer that can be reused
+# as long as your Package.swift/Package.resolved
+# files do not change.
+COPY ./Package.* ./
+RUN swift package resolve
+
+# Copy entire repo into container
+COPY . .
+
+# Build everything, with optimizations
+RUN swift build -c release
+
+# Switch to the staging area
+WORKDIR /staging
+
+# Copy main executable to staging area
+RUN cp "$(swift build --package-path /build -c release --show-bin-path)/Run" ./
+
+# Copy any resources from the public directory and views directory if the directories exist
+# Ensure that by default, neither the directory nor any of its contents are writable.
+RUN [ -d /build/Public ] && { mv /build/Public ./Public && chmod -R a-w ./Public; } || true
+RUN [ -d /build/Resources ] && { mv /build/Resources ./Resources && chmod -R a-w ./Resources; } || true
+
+# ================================
+# Run image
+# ================================
+FROM swift:5.5-focal-slim
+
+# Make sure all system packages are up to date.
+RUN export DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true && \
+    apt-get -q update && apt-get -q dist-upgrade -y && rm -r /var/lib/apt/lists/*
+
+# Create a vapor user and group with /app as its home directory
+RUN useradd --user-group --create-home --system --skel /dev/null --home-dir /app vapor
+
+# Switch to the new home directory
+WORKDIR /app
+
+# Copy built executable and any staged resources from builder
+COPY --from=build --chown=vapor:vapor /staging /app
+
+# Ensure all further commands run as the vapor user
+USER vapor:vapor
+
+# Let Docker bind to port 8080
+EXPOSE 8080
+
+# Start the Vapor service when the image is run, default to listening on 8080 in production environment
+ENTRYPOINT ["./Run"]
+CMD ["serve", "--env", "production", "--hostname", "0.0.0.0", "--port", "8080"]

Package.resolved

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+  // swift-tools-version:5.5
+import PackageDescription
+
+let package = Package(
+  name: "TodoListServer",
+  platforms: [
+    .macOS(.v10_15)
+  ],
+  dependencies: [
+    // 💧 A server-side Swift web framework.
+    .package(url: "https://github.com/vapor/vapor.git", from: "4.0.0"),
+    .package(url: "https://github.com/vapor/fluent.git", from: "4.0.0"),
+    .package(url: "https://github.com/vapor/fluent-postgres-driver.git", from: "2.0.0"),
+    .package(url: "https://github.com/vapor/leaf.git", from: "4.0.0"),
+  ],
+  targets: [
+    .target(
+      name: "App",
+      dependencies: [
+        .product(name: "Fluent", package: "fluent"),
+        .product(name: "FluentPostgresDriver", package: "fluent-postgres-driver"),
+        .product(name: "Leaf", package: "leaf"),
+        .product(name: "Vapor", package: "vapor")
+      ],
+      swiftSettings: [
+        // Enable better optimizations when building in Release configuration. Despite the use of
+        // the `.unsafeFlags` construct required by SwiftPM, this flag is recommended for Release
+        // builds. See <https://github.com/swift-server/guides/blob/main/docs/building.md#building-for-production> for details.
+        .unsafeFlags(["-cross-module-optimization"], .when(configuration: .release))
+      ]
+    ),
+    .executableTarget(name: "Run", dependencies: [.target(name: "App")]),
+    .testTarget(name: "AppTests", dependencies: [
+      .target(name: "App"),
+      .product(name: "XCTVapor", package: "vapor"),
+    ])
+  ]
+)

Package.swift

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+web: Run serve --env production --hostname 0.0.0.0 --port $PORT

Procfile

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+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+
+  <title>#(title)</title>
+</head>
+
+<body>
+  <h1>#(title)</h1>
+</body>
+</html>

Resources/Views/index.leaf

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+import Fluent
+import Vapor
+
+//Todo Route
+struct TodoController: RouteCollection {
+  func boot(routes: RoutesBuilder) throws {
+    let todos = routes.grouped("todos")
+    todos.get(use: index)
+    todos.post(use: create)
+    todos.delete(":todoID", use: delete(req:))
+    todos.post(":todoID", use: update(req:))
+  }
+  // read all todos
+  func index(req: Request) throws -> EventLoopFuture<[Todo]> {
+    return Todo.query(on: req.db).all()
+  }
+  /// create or update the todo
+  func create(req: Request) throws -> EventLoopFuture<Todo> {
+    let todo = try req.content.decode(Todo.self)
+    return todo.save(on: req.db).map { todo }
+  }
+  /// update the todo
+  func update(req: Request) throws -> EventLoopFuture<Todo> {
+    let update = try req.content.decode(Todo.self)
+    return Todo.find(req.parameters.get("todoID"), on: req.db).unwrap(or: Abort(.notFound)).flatMap { todo in
+      todo.isCompleted = update.isCompleted
+      todo.title = update.title
+      return todo.save(on: req.db).map({update})
+    }
+  }
+  /// delete the todo
+  func delete(req: Request) throws -> EventLoopFuture<Todo> {
+    return Todo.find(req.parameters.get("todoID"), on: req.db)
+      .unwrap(or: Abort(.notFound))
+      .flatMap { todo in
+        todo.delete(on: req.db).map {todo} }
+  }
+}