feat: devcontainer 다른데서 쓰던 설정 추가. 테스트필요

.devcontainer/Dockerfile

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+FROM ghcr.io/devcontainers/templates/go-postgres:4.1.0
+
+# Default value to allow debug server to serve content over GitHub Codespace's port forwarding service
+# The value is a comma-separated list of allowed domains
+ENV RAILS_DEVELOPMENT_HOSTS=".githubpreview.dev,.preview.app.github.dev,.app.github.dev"
+
+# [Optional] Uncomment this section to install additional OS packages.
+# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+#     && apt-get -y install --no-install-recommends <your-package-list-here>
+
+# [Optional] Uncomment this line to install additional gems.
+# RUN su vscode -c "gem install <your-gem-names-here>"
+
+# [Optional] Uncomment this line to install global node packages.
+# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1

.devcontainer/create-db-user.sql

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+CREATE USER dev_proxynd_user CREATEDB;
+CREATE DATABASE de_proxynd_db WITH OWNER dev_proxynd_user;

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/ruby-rails-postgres
+{
+	"name": "Go & Postgres",
+	"dockerComposeFile": "docker-compose.yml",
+	"service": "app",
+	"workspaceFolder": "/workspaces/${localWorkspaceFolderBasename}",
+	// "features": {
+	// 	"ghcr.io/itsmechlark/features/postgresql:1": {
+	// 		"version": "16"
+	// 	},
+	// 	"ghcr.io/itsmechlark/features/redis-server:1": {
+	// 		"version": "7"
+	// 	},
+	// 	"ghcr.io/georgofenbeck/features/thefuck-pipx:1": {}
+	// }
+
+	// Features to add to the dev container. More info: https://containers.dev/features.
+	// "features": {},
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// This can be used to network with other containers or the host.
+	// "forwardPorts": [3000, 5432],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "bundle install && rake db:setup",
+
+	// Configure tool-specific properties.
+	// "customizations": {},
+
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "root"
+}

.devcontainer/docker-compose.yml

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+version: '3'
+
+services:
+  app:
+    build:
+      context: ..
+      dockerfile: .devcontainer/Dockerfile
+
+    volumes:
+      - ../..:/workspaces:cached
+
+    # Overrides default command so things don't shut down after the process ends.
+    command: sleep infinity
+
+    # Runs app on the same network as the database container, allows "forwardPorts" in devcontainer.json function.
+    network_mode: service:db
+
+    # Use "forwardPorts" in **devcontainer.json** to forward an app port locally.
+    # (Adding the "ports" property to this file will not forward from a Codespace.)
+    profiles:
+      - ''
+      - app
+      - all
+
+  db:
+    image: postgres:16
+    restart: unless-stopped
+    volumes:
+      - postgres-data:/var/lib/postgresql/data
+      - ./create-db-user.sql:/docker-entrypoint-initdb.d/create-db-user.sql
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_DB: postgres
+      POSTGRES_PASSWORD: postgres
+      # Your config/database.yml should use the user and password you set here,
+      # and host "db" (as that's the name of this service). You can use whatever
+      # database name you want. Use `bin/rails db:prepare` to create the database.
+      #
+      # Example:
+      #
+      #  development:
+      #    <<: *default
+      #    host: db
+      #    username: postgres
+      #    password: postgres
+      #    database: myapp_development
+
+    # Add "forwardPorts": ["5432"] to **devcontainer.json** to forward PostgreSQL locally.
+    # (Adding the "ports" property to this file will not forward from a Codespace.)
+    profiles:
+      - ''
+      - backend
+      - all
+
+  mailslurper:
+    image: oryd/mailslurper:latest-smtps
+    ports:
+      - '4436:4436'
+      - '4437:4437'
+    profiles:
+      - ''
+      - backend
+      - all
+
+volumes:
+  postgres-data: