feat: Initial commit

Dockerfile

@@ -0,0 +1,28 @@
+# ── Stage 1: Build ────────────────────────────────────────────────────────────
+FROM eclipse-temurin:21-jdk-alpine AS build
+WORKDIR /app
+
+COPY pom.xml .
+COPY src ./src
+
+# Download dependencies (cached layer), then build
+RUN apk add --no-cache maven && \
+    mvn dependency:go-offline -q && \
+    mvn package -DskipTests -q
+
+# ── Stage 2: Runtime ──────────────────────────────────────────────────────────
+FROM eclipse-temurin:21-jre-alpine
+WORKDIR /app
+
+# Copy the fat JAR from the build stage
+COPY --from=build /app/target/overseerr-webhook-proxy-*.jar app.jar
+
+# The application.yml can be overridden by mounting a file at:
+#   /app/config/application.yml
+VOLUME ["/app/config"]
+
+EXPOSE 8080
+
+ENTRYPOINT ["java", \
+  "-Dspring.config.additional-location=optional:file:/app/config/application.yml", \
+  "-jar", "app.jar"]