init: 클린 아키텍처 백엔드

src/.dockerignore

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+# feature-container-runtime-contract — .dockerignore for src/ build context
+#
+# The docker build context is src/ (the Gradle root). This file excludes build
+# noise that must not enter the image build context, while keeping everything
+# the builder stage needs to resolve dependencies and run bootJar.
+
+# ---- Version control --------------------------------------------------------
+.git
+.gitignore
+.gitattributes
+
+# ---- Gradle build output ----------------------------------------------------
+# Exclude all module build/ directories; the builder stage produces them inside the container.
+build/
+**/build/
+.gradle/
+**/.gradle/
+
+# ---- IDE / editor files -----------------------------------------------------
+.idea/
+**/.idea/
+*.iml
+.vscode/
+**/.vscode/
+*.eclipse
+.project
+.classpath
+.settings/
+
+# ---- Documentation / governance (not needed for image build) ----------------
+# Root CLAUDE.md and AGENTS.md are governance docs; not needed at build time.
+*.md
+docs/
+
+# ---- Environment / secrets (NEVER bake secrets into image layers) -----------
+.env
+**/.env
+*.env
+
+# ---- OS artifacts -----------------------------------------------------------
+.DS_Store
+**/.DS_Store
+Thumbs.db
+
+# ---- Test reports and coverage ----------------------------------------------
+**/test-results/
+**/reports/
+**/jacoco/
+
+# ---- Explicitly keep (negation rules to be safe) ----------------------------
+# The Gradle wrapper, source trees, and build configuration are needed.
+# Negation rules are not strictly required because the above globs don't
+# accidentally exclude src/*, but listed for clarity.
+!gradlew
+!gradlew.bat
+!gradle/
+!**/src/
+!**/build.gradle
+!settings.gradle