Dockerfile

@@ -0,0 +1,45 @@
+FROM eclipse-temurin:23 AS build
+
+WORKDIR /build
+COPY pom.xml mvnw ./
+COPY .mvn .mvn
+
+RUN ./mvnw dependency:copy-dependencies \
+    --activate-profiles=!persistent \
+    --define includeScope=compile \
+    --define outputDirectory=lib
+
+RUN ./mvnw dependency:build-classpath \
+    --activate-profiles=!persistent \
+    --define includeScope=compile \
+    --define mdep.outputFile=classpath \
+    --define mdep.prefix=lib
+
+COPY src src
+
+RUN ./mvnw compile
+
+# Create as small a runtime as possible but Spring/Tomcat needs a lot of modules
+RUN jlink \
+    --output jre \
+    --add-modules java.sql,java.desktop,java.management,java.naming,java.security.jgss,java.instrument
+
+FROM debian:stable-slim AS runtime
+
+WORKDIR /app
+
+COPY --from=build /build/jre jre
+COPY --from=build /build/lib lib
+COPY --from=build /build/classpath classpath
+COPY --from=build /build/target/classes classes
+
+# Adds the output of Maven compilation to output
+RUN echo ":classes" >> classpath
+
+EXPOSE 8080
+
+CMD [ "./jre/bin/java" \
+    , "-cp", "@classpath" \
+    , "se.su.dsv.oauth2.AuthorizationServer" \
+    , "--spring.profiles.active=dev,embedded" \
+    ]

pom.xml

@@ -23,10 +23,6 @@
     </properties>
 
     <dependencies>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-jdbc</artifactId>
-        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-oauth2-authorization-server</artifactId>
@@ -52,21 +48,6 @@
             <version>${jte.version}</version>
         </dependency>
 
-        <dependency>
-            <groupId>org.flywaydb</groupId>
-            <artifactId>flyway-core</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.flywaydb</groupId>
-            <artifactId>flyway-mysql</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>org.mariadb.jdbc</groupId>
-            <artifactId>mariadb-java-client</artifactId>
-            <scope>runtime</scope>
-        </dependency>
-
         <!-- Development tools -->
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -146,7 +127,6 @@
                     <sourceDirectory>${project.basedir}/src/main/resources/templates</sourceDirectory>
                     <targetDirectory>${project.build.directory}/jte-classes</targetDirectory>
                     <contentType>Html</contentType>
-                    <binaryStaticContent>true</binaryStaticContent>
                     <extensions>
                         <extension>
                             <className>gg.jte.models.generator.ModelExtension</className>
@@ -172,4 +152,32 @@
         </plugins>
     </build>
 
+    <profiles>
+        <profile>
+            <id>persistent</id>
+            <activation>
+                <activeByDefault>true</activeByDefault>
+            </activation>
+            <dependencies>
+                <dependency>
+                    <groupId>org.springframework.boot</groupId>
+                    <artifactId>spring-boot-starter-jdbc</artifactId>
+                </dependency>
+                <dependency>
+                    <groupId>org.flywaydb</groupId>
+                    <artifactId>flyway-core</artifactId>
+                </dependency>
+                <dependency>
+                    <groupId>org.flywaydb</groupId>
+                    <artifactId>flyway-mysql</artifactId>
+                </dependency>
+                <dependency>
+                    <groupId>org.mariadb.jdbc</groupId>
+                    <artifactId>mariadb-java-client</artifactId>
+                    <scope>runtime</scope>
+                </dependency>
+            </dependencies>
+        </profile>
+    </profiles>
+
 </project>

src/main/java/se/su/dsv/oauth2/EmbeddedConfiguration.java

@@ -0,0 +1,91 @@
+package se.su.dsv.oauth2;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+import se.su.dsv.oauth2.admin.repository.ClientRepository;
+import se.su.dsv.oauth2.admin.repository.ClientRow;
+
+import java.security.Principal;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Optional;
+
+@Configuration
+@Profile("embedded")
+public class EmbeddedConfiguration {
+    @Bean
+    public ClientRepository clientRepository() {
+        ArrayList<ClientRow> clients = new ArrayList<>();
+        ClientRow clientRow = getClientFromEnvironment();
+        if (clientRow != null) {
+            clients.add(clientRow);
+        }
+
+        return new InMemoryClientrepository(clients);
+
+    }
+
+    private static ClientRow getClientFromEnvironment() {
+        String clientId = System.getenv("CLIENT_ID");
+        String clientSecret = System.getenv("CLIENT_SECRET");
+        String redirectUri = System.getenv("CLIENT_REDIRECT_URI");
+        String scopeString = System.getenv("CLIENT_SCOPES");
+
+        return new ClientRow(clientId, clientId, clientId, "dev@localhost",
+                redirectUri, scopeString, clientSecret);
+    }
+
+    private static class InMemoryClientrepository implements ClientRepository {
+        private List<ClientRow> clientRows;
+        private Map<String, List<String>> clientOwners = new HashMap<>();
+
+        public InMemoryClientrepository(final List<ClientRow> clients) {
+            this.clientRows = new ArrayList<>(clients);
+        }
+
+        @Override
+        public void addNewClient(final ClientRow clientRow) {
+            clientRows.add(clientRow);
+        }
+
+        @Override
+        public List<ClientRow> getClients(final Principal owner) {
+            return List.copyOf(clientRows);
+        }
+
+        @Override
+        public void addClientOwner(final String principalName, final String id) {
+            clientOwners.putIfAbsent(id, new ArrayList<>());
+            clientOwners.get(id).add(principalName);
+        }
+
+        @Override
+        public void removeOwner(final String id, final String owner) {
+            clientOwners.putIfAbsent(id, new ArrayList<>());
+            clientOwners.get(id).remove(owner);
+        }
+
+        @Override
+        public List<String> getOwners(final String id) {
+            return clientOwners.getOrDefault(id, List.of());
+        }
+
+        @Override
+        public Optional<ClientRow> getClientRowById(final String id) {
+            return clientRows.stream()
+                    .filter(clientRow -> Objects.equals(clientRow.id(), id))
+                    .findAny();
+        }
+
+        @Override
+        public Optional<ClientRow> getClientRowByClientId(final String clientId) {
+            return clientRows.stream()
+                    .filter(clientRow -> Objects.equals(clientRow.clientId(), clientId))
+                    .findAny();
+        }
+    }
+}

src/main/java/se/su/dsv/oauth2/PersistentConfiguration.java

@@ -2,9 +2,11 @@ package se.su.dsv.oauth2;
 
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
 import org.springframework.jdbc.core.simple.JdbcClient;
 
 @Configuration
+@Profile("!embedded")
 public class PersistentConfiguration {
     @Bean
     public JDBCClientRepository jdbcClientRepository(JdbcClient jdbcClient) {

src/main/resources/application-embedded.yml

@@ -0,0 +1,5 @@
+gg:
+  jte:
+    templateLocation: src/main/resources/templates
+    developmentMode: false
+    usePrecompiledTemplates: true

src/test/java/se/su/dsv/oauth2/EmbeddedContainerTest.java

@@ -0,0 +1,52 @@
+package se.su.dsv.oauth2;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.client.RestClient;
+import org.springframework.web.util.UriComponentsBuilder;
+import org.testcontainers.containers.GenericContainer;
+import org.testcontainers.images.builder.ImageFromDockerfile;
+import org.testcontainers.junit.jupiter.Container;
+import org.testcontainers.junit.jupiter.Testcontainers;
+
+import java.nio.file.Paths;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@Testcontainers
+public class EmbeddedContainerTest {
+
+    @Container
+    static GenericContainer<?> container = new GenericContainer<>(
+            new ImageFromDockerfile()
+                    .withFileFromPath(".", Paths.get(".")))
+            .withExposedPorts(8080)
+            .withEnv("CLIENT_ID", "client-id")
+            .withEnv("CLIENT_SECRET", "client-secret")
+            .withEnv("CLIENT_REDIRECT_URI", "http://localhost:8080")
+            .withEnv("CLIENT_SCOPES", "openid profile email");
+
+    @Test
+    public void working_container() {
+        String baseUri = UriComponentsBuilder.newInstance()
+                .scheme("http")
+                .host(container.getHost())
+                .port(container.getMappedPort(8080))
+                .toUriString();
+
+        RestClient restClient = RestClient.create(baseUri);
+
+        ResponseEntity<String> response = restClient
+                .get()
+                .retrieve()
+                .onStatus(ignored -> false) // treat all responses as successful and let asserts fail
+                .toEntity(String.class);
+
+        assertThat(response.getStatusCode())
+                .isEqualTo(HttpStatus.OK);
+
+        assertThat(response.getBody())
+                .contains("DSV");
+    }
+}