From 10881c1a8ca2238a0fb01497c2042ebe8601a2b6 Mon Sep 17 00:00:00 2001
From: Felipe Augusto <felipementel@hotmail.com>
Date: Sat, 28 Mar 2026 17:19:06 -0300
Subject: [PATCH] feat: add Dockerfile and .dockerignore for containerized
 builds

Multi-stage build with eclipse-temurin:21 (JDK for build, JRE for runtime).
Includes .dockerignore to optimize build context.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
---
 .dockerignore | 10 ++++++++++
 Dockerfile    | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+)
 create mode 100644 .dockerignore
 create mode 100644 Dockerfile

diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..4e7374d
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,10 @@
+.git
+.github
+target/
+*.md
+.gitignore
+.idea/
+*.iml
+.vscode/
+.DS_Store
+docker-compose*.yml
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..a3b9807
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,37 @@
+# Stage 1 - Build
+FROM eclipse-temurin:21-jdk-alpine AS build
+
+WORKDIR /app
+
+COPY mvnw .
+COPY .mvn .mvn
+COPY pom.xml .
+
+RUN chmod +x mvnw && ./mvnw dependency:go-offline -B
+
+COPY src src
+
+RUN ./mvnw clean package -DskipTests -B
+
+# Stage 2 - Runtime
+FROM eclipse-temurin:21-jre-alpine AS runtime
+
+LABEL maintainer="felipementel" \
+      description="CRUD de usuarios em Spring Boot com Ports and Adapters"
+
+RUN addgroup -S appgroup && adduser -S appuser -G appgroup
+
+WORKDIR /app
+
+COPY --from=build /app/target/usuarios-api-java-0.1.0.jar app.jar
+
+RUN chown appuser:appgroup app.jar
+
+USER appuser
+
+EXPOSE 8080
+
+HEALTHCHECK --interval=30s --timeout=5s --start-period=30s --retries=3 \
+  CMD wget --no-verbose --tries=1 --spider http://localhost:8080/actuator/health || exit 1
+
+ENTRYPOINT ["java", "-jar", "app.jar"]