langfuse · Steffen911 · Mar 27, 2025 · Mar 27, 2025 · Mar 27, 2025 · Mar 27, 2025
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -11,11 +11,18 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Cache local Maven repository
+        uses: actions/cache@v4
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
       - name: Set up Java
         uses: actions/setup-java@v4
         with:
           java-version: '23'
           distribution: 'temurin'
 
       - name: Build with Maven
-        run: mvn clean package
+        run: mvn -B clean package
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
@@ -1,4 +1,4 @@
-name: Publish to GitHub Packages
+name: Publish
 
 on:
   push:
@@ -13,16 +13,30 @@ jobs:
       packages: write
     steps:
       - uses: actions/checkout@v4
+      - name: Cache local Maven repository
+        uses: actions/cache@v4
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
       - name: Set up Java
         uses: actions/setup-java@v4
         with:
           java-version: '23'
           distribution: 'temurin'
+          server-id: central
+          server-username: MAVEN_USERNAME
+          server-password: MAVEN_PASSWORD
+          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
+          gpg-passphrase: MAVEN_GPG_PASSPHRASE
 
       - name: Build with Maven
-        run: mvn clean package
+        run: mvn -B clean package
 
-      - name: Publish to GitHub Packages
-        run: mvn deploy
+      - name: Publish to Maven Central
+        run: mvn -B deploy -P central
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
+          MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}
+          MAVEN_GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
diff --git a/README.md b/README.md
@@ -9,27 +9,15 @@ Check out our [Spring AI Example](https://langfuse.com/docs/integrations/spring-
 
 ## Installation
 
-Add the langfuse-java API client as a dependency using 
+The recommended way to install the langfuse-java API client is via Maven Central:
+
 ```xml
 <dependency>
     <groupId>com.langfuse</groupId>
     <artifactId>langfuse-java</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
+    <version>0.0.4</version>
 </dependency>
 ```
-to fetch our [GitHub package](https://github.com/langfuse/langfuse-java/packages/2423464).
-
-If you're not scanning the GitHub Package Registry by default, you'll have to add
-```xml
-<repositories>
-    <repository>
-        <id>github</id>
-        <name>GitHub Package Registry</name>
-        <url>https://maven.pkg.github.com/langfuse/langfuse-java</url>
-    </repository>
-</repositories>
-```
-as well.
 
 ## Usage
 
@@ -65,6 +53,16 @@ try {
 Run `./mvnw release:prepare -DreleaseVersion=` with the version you want to create.
 Push the changes including the tag.
 
+## Publishing to Maven Central
+
+This project is configured to publish to Maven Central.
+To publish to Maven Central, you need to configure the following secrets in your GitHub repository:
+
+- `OSSRH_USERNAME`: Your Sonatype OSSRH username
+- `OSSRH_PASSWORD`: Your Sonatype OSSRH password
+- `GPG_PRIVATE_KEY`: Your GPG private key for signing artifacts
+- `GPG_PASSPHRASE`: The passphrase for your GPG private key
+
 ## Updating
 
 1. Ensure that langfuse-java is placed in the same directory as the main [langfuse](https://github.com/langfuse/langfuse) repository.

diff --git a/pom.xml b/pom.xml
@@ -7,12 +7,32 @@
     <packaging>jar</packaging>
 
     <name>langfuse-java</name>
+    <description>Java client for the Langfuse API</description>
     <url>https://langfuse.com</url>
 
+    <licenses>
+        <license>
+            <name>MIT License</name>
+            <url>https://opensource.org/licenses/MIT</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+
+    <developers>
+        <developer>
+            <name>Langfuse Team</name>
+            <email>[email protected]</email>
+            <organization>Langfuse</organization>
+            <organizationUrl>https://langfuse.com</organizationUrl>
+        </developer>
+    </developers>
+
     <scm>
         <connection>scm:git:https://github.com/langfuse/langfuse-java.git</connection>
-      <tag>HEAD</tag>
-  </scm>
+        <developerConnection>scm:git:https://github.com/langfuse/langfuse-java.git</developerConnection>
+        <url>https://github.com/langfuse/langfuse-java</url>
+        <tag>HEAD</tag>
+    </scm>
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -21,13 +41,83 @@
         <junit.version>5.9.3</junit.version>
     </properties>
 
-    <distributionManagement>
-        <repository>
-            <id>github</id>
-            <name>GitHub Packages</name>
-            <url>https://maven.pkg.github.com/langfuse/langfuse-java</url>
-        </repository>
-    </distributionManagement>
+    <profiles>
+        <profile>
+            <id>central</id>
+            <build>
+                <plugins>
+                    <!-- GPG Signing -->
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-gpg-plugin</artifactId>
+                        <version>3.1.0</version>
+                        <executions>
+                            <execution>
+                                <id>sign-artifacts</id>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>sign</goal>
+                                </goals>
+                                <configuration>
+                                    <!-- Prevent gpg from using pinentry programs -->
+                                    <gpgArguments>
+                                        <arg>--pinentry-mode</arg>
+                                        <arg>loopback</arg>
+                                    </gpgArguments>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
+
+                    <!-- Central Publishing Plugin -->
+                    <plugin>
+                        <groupId>org.sonatype.central</groupId>
+                        <artifactId>central-publishing-maven-plugin</artifactId>
+                        <version>0.7.0</version>
+                        <extensions>true</extensions>
+                        <configuration>
+                            <publishingServerId>central</publishingServerId>
+                            <autoPublish>true</autoPublish>
+                        </configuration>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
+
+    <build>
+        <plugins>
+            <!-- Source JAR -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+                <version>3.3.0</version>
+                <executions>
+                    <execution>
+                        <id>attach-sources</id>
+                        <goals>
+                            <goal>jar-no-fork</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+
+            <!-- Javadoc JAR -->
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+                <version>3.6.3</version>
+                <executions>
+                    <execution>
+                        <id>attach-javadocs</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
 
     <dependencies>
         <!-- Jackson dependencies -->