feat: add Dockerfile and Gitea Actions CI pipeline

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/ci.yml

@@ -0,0 +1,45 @@
+# .gitea/workflows/ci.yml
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    services:
+      postgres:
+        image: postgres:16-alpine
+        env:
+          POSTGRES_DB: cameleer_saas_test
+          POSTGRES_USER: test
+          POSTGRES_PASSWORD: test
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 21
+          cache: maven
+
+      - name: Run tests
+        run: ./mvnw verify -B
+        env:
+          SPRING_DATASOURCE_URL: jdbc:postgresql://localhost:5432/cameleer_saas_test
+          SPRING_DATASOURCE_USERNAME: test
+          SPRING_DATASOURCE_PASSWORD: test
+
+      - name: Build Docker image
+        run: docker build -t cameleer-saas:${{ github.sha }} .

Dockerfile

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+# Dockerfile
+FROM eclipse-temurin:21-jdk-alpine AS build
+WORKDIR /build
+COPY .mvn/ .mvn/
+COPY mvnw pom.xml ./
+RUN ./mvnw dependency:go-offline -B
+COPY src/ src/
+RUN ./mvnw package -DskipTests -B
+
+FROM eclipse-temurin:21-jre-alpine
+WORKDIR /app
+RUN addgroup -S cameleer && adduser -S cameleer -G cameleer
+COPY --from=build /build/target/*.jar app.jar
+USER cameleer
+EXPOSE 8080
+ENTRYPOINT ["java", "-jar", "app.jar"]