feat: Use native image (#298)

.gitignore

@@ -11,6 +11,7 @@ RUNNING_PID
 target
 vendor
 tests
+.codacyrc
 
 project/*
 !project/build.properties

Dockerfile

@@ -1,16 +1,28 @@
-FROM sbtscala/scala-sbt:eclipse-temurin-jammy-11.0.22_7_1.9.9_2.13.13 as builder
+FROM sbtscala/scala-sbt:eclipse-temurin-jammy-11.0.22_7_1.9.9_2.13.13 as doc-generator
+
 WORKDIR /app
-COPY composer.json .
+
+RUN wget https://github.com/phpDocumentor/phpDocumentor/releases/download/v3.4.3/phpDocumentor.phar && \
+    mv phpDocumentor.phar /usr/local/bin/phpdoc && \
+    chmod +x /usr/local/bin/phpdoc
+
 COPY build.sbt .
 COPY docs /docs
 COPY project project
+COPY doc-generator doc-generator
+
+RUN sbt 'doc-generator/runMain codacy.codesniffer.docsgen.GeneratorMain'
+
+FROM sbtscala/scala-sbt:graalvm-ce-22.3.3-b1-java17_1.9.9_3.4.0 AS builder
+
+WORKDIR /app
+
+COPY build.sbt .
+COPY project project
 COPY src src
 
-RUN wget https://github.com/phpDocumentor/phpDocumentor/releases/download/v3.4.3/phpDocumentor.phar && \
-    mv phpDocumentor.phar /usr/local/bin/phpdoc && \
-    chmod +x /usr/local/bin/phpdoc && \
-    sbt 'runMain codacy.codesniffer.docsgen.GeneratorMain'
-RUN sbt stage
+RUN --mount=type=cache,target=/root/.cache/coursier \
+    sbt nativeImage
 
 FROM php:8.2-alpine
 
@@ -22,7 +34,7 @@ ENV COMPOSER_ALLOW_SUPERUSER 1
 ENV PATH ${COMPOSER_HOME}/vendor/bin:${PATH}
 
 # Install necessary packages
-RUN apk --no-cache add php82 openjdk11-jre-headless
+RUN apk --no-cache add php82
 
 # Configure PHP settings
 RUN sed 's/.*short_open_tag.*=.*/short_open_tag=On/' /etc/php82/php.ini -i
@@ -32,15 +44,15 @@ RUN curl -sS https://getcomposer.org/installer | php
 COPY composer.* ${COMPOSER_HOME}
 RUN php composer.phar global install
 
-# Cleanup and miscellaneous  
+# Cleanup and miscellaneous
 RUN rm -rf /tmp/* && \
     adduser -u 2004 -D docker
 
 # Copy codacy-codesniffer and docs
-COPY --chown=docker:docker --from=builder /app/target/universal/stage scala
-COPY --chown=docker:docker --from=builder /docs /docs
+COPY --chown=docker:docker --from=builder /app/target/native-image/codacy-codesniffer bin/codacy-codesniffer
+COPY --chown=docker:docker --from=doc-generator /docs /docs
 
 WORKDIR /src
 
 USER docker
-ENTRYPOINT ["/app/scala/bin/codacy-codesniffer"]
+ENTRYPOINT ["/app/bin/codacy-codesniffer"]

README.md

@@ -12,7 +12,6 @@ See the [codacy-engine-scala-seed](https://github.com/codacy/codacy-engine-scala
 You can create the docker by doing:
 
 ```bash
-sbt Docker / publishLocal
 docker build -t codacy-codesniffer .
 ```
 
@@ -40,7 +39,7 @@ sudo chmod +x /usr/local/bin/phpdoc
 Update the versions in `composer.json` and run
 
 ```bash
-sbt "runMain codacy.codesniffer.docsgen.GeneratorMain"
+sbt "doc-generator/runMain codacy.codesniffer.docsgen.GeneratorMain"
 ```
 
 This will create updated `patterns.json`, `description.json` and the individual documentation Markdown files.

build.sbt

@@ -1,13 +1,28 @@
-name := "codacy-codesniffer"
+ThisBuild / scalaVersion := "2.13.14"
 
-scalaVersion := "2.13.13"
+lazy val `doc-generator` = project
+  .settings(
+    libraryDependencies ++= Seq("org.scala-lang.modules" %% "scala-xml" % "2.2.0",
+                                "org.scala-lang.modules" %% "scala-parallel-collections" % "1.0.4",
+                                "com.codacy" %% "codacy-engine-scala-seed" % "6.1.2",
+                                "com.lihaoyi" %% "ujson" % "3.1.2",
+                                "com.github.pathikrit" %% "better-files" % "3.9.2"
+    )
+  )
 
-libraryDependencies ++= Seq("org.scala-lang.modules" %% "scala-xml" % "2.2.0",
-                            "org.scala-lang.modules" %% "scala-parallel-collections" % "1.0.4",
-                            "com.codacy" %% "codacy-engine-scala-seed" % "6.1.2",
-                            "com.lihaoyi" %% "ujson" % "3.1.2",
-                            "com.github.pathikrit" %% "better-files" % "3.9.2")
-
-enablePlugins(AshScriptPlugin)
-
-Compile / mainClass := Some("codacy.Engine")
+lazy val root = project
+  .in(file("."))
+  .settings(name := "codacy-codesniffer",
+            libraryDependencies ++= Seq("org.scala-lang.modules" %% "scala-xml" % "2.2.0",
+                                        "com.codacy" %% "codacy-engine-scala-seed" % "6.1.2"
+            ),
+            mainClass in Compile := Some("codacy.Engine"),
+            nativeImageOptions ++= List("-O1",
+                                        "-H:+ReportExceptionStackTraces",
+                                        "--no-fallback",
+                                        "--no-server",
+                                        "--static"
+            )
+  )
+  .enablePlugins(NativeImagePlugin)
+  .enablePlugins(JavaAppPackaging)

project/plugins.sbt

@@ -1 +1,2 @@
 addSbtPlugin("com.codacy" % "codacy-sbt-plugin" % "25.2.0")
+addSbtPlugin("org.scalameta" % "sbt-native-image" % "0.3.0")