feat(docker): add App CDS for Docker image (#630)

Author: joschi

.dockerignore

@@ -0,0 +1,2 @@
+.idea/
+target/

Dockerfile

@@ -5,6 +5,12 @@ RUN ./mvnw -V -B -ff -P docker package -q
 
 FROM eclipse-temurin:21-jre-alpine
 WORKDIR /app
-COPY --from=build /build/cli/target/openapi-diff-cli-*-all.jar /app/openapi-diff.jar
-ENTRYPOINT ["java", "-jar", "/app/openapi-diff.jar"]
+COPY --from=build /build/cli/target/openapi-diff.jar /app/openapi-diff.jar
+COPY --from=build /build/core/src/test/resources/petstore_v2_* /tmp
+RUN java -XX:ArchiveClassesAtExit=/app/appcds.jsa \
+    -jar /app/openapi-diff.jar \
+    /tmp/petstore_v2_1.yaml \
+    /tmp/petstore_v2_2.yaml \
+    && rm -f /tmp/petstore_v2_*
+ENTRYPOINT ["java", "-Xshare:on", "-XX:SharedArchiveFile=/app/appcds.jsa", "-jar", "/app/openapi-diff.jar"]
 CMD ["--help"]

cli/pom.xml

@@ -13,6 +13,10 @@
     <name>openapi-diff-cli</name>
     <description>CLI for openapi-diff</description>
 
+    <properties>
+        <mainClass>org.openapitools.openapidiff.cli.Main</mainClass>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.openapitools.openapidiff</groupId>
@@ -52,7 +56,7 @@
                             <shadedClassifierName>all</shadedClassifierName>
                             <transformers>
                                 <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
-                                    <mainClass>org.openapitools.openapidiff.cli.Main</mainClass>
+                                    <mainClass>${mainClass}</mainClass>
                                 </transformer>
                               <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer" />
                               <transformer implementation="org.apache.maven.plugins.shade.resource.ApacheLicenseResourceTransformer" />
@@ -64,4 +68,38 @@
             </plugin>
         </plugins>
     </build>
+
+    <profiles>
+        <profile>
+            <id>docker</id>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-shade-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <phase>package</phase>
+                                <goals>
+                                    <goal>shade</goal>
+                                </goals>
+                                <configuration>
+                                    <createDependencyReducedPom>false</createDependencyReducedPom>
+                                    <finalName>openapi-diff</finalName>
+                                    <transformers>
+                                        <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+                                            <mainClass>${mainClass}</mainClass>
+                                        </transformer>
+                                        <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer" />
+                                        <transformer implementation="org.apache.maven.plugins.shade.resource.ApacheLicenseResourceTransformer" />
+                                        <transformer implementation="org.apache.maven.plugins.shade.resource.ApacheNoticeResourceTransformer" />
+                                    </transformers>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
 </project>