Updated dependency and added support for addtional JAR files

.gitignore

@@ -1,3 +1,4 @@
 ojdbc8.jar
 pom.xml.releaseBackup
-release.properties
+release.properties
+target/*

Dockerfile

@@ -1,7 +1,8 @@
 FROM openjdk:8-jre-alpine
 
-ADD target/prometheus-jdbc-exporter-jar-with-dependencies.jar target/
+COPY target/prometheus-jdbc-exporter-jar-with-dependencies.jar /target/
+COPY jar_lib/README.md /jar_lib/README.md
 
 EXPOSE 5555
 
-CMD java -Djava.security.egd=file:///dev/urandom -cp "target/*" no.sysco.middleware.metrics.prometheus.jdbc.WebServer 0.0.0.0:5555 ./config.yml
+CMD java -Djava.security.egd=file:///dev/urandom -cp "/target/*:/jar_lib/*" no.sysco.middleware.metrics.prometheus.jdbc.WebServer 0.0.0.0:5555 ./config.yml

jar_lib/README.md

@@ -0,0 +1,3 @@
+Place any addtional jar here. These will be copied into docker image and will be added to CLASSPATH.
+
+NOTE: It is better to use add dependencies to [pom.xml](../pom.xml). This directory should only be used when the library jars are not available as part in maven repositories.

pom.xml

@@ -3,7 +3,7 @@
 
     <groupId>no.sysco.middleware.metrics</groupId>
     <artifactId>prometheus-jdbc-exporter</artifactId>
-    <version>1.2-SNAPSHOT</version>
+    <version>1.3-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>prometheus-jdbc-exporter</name>
@@ -32,27 +32,32 @@
         <dependency>
             <groupId>io.prometheus</groupId>
             <artifactId>simpleclient</artifactId>
-            <version>0.0.23</version>
+            <version>0.9.0</version>
         </dependency>
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>1.18</version>
+            <version>1.26</version>
         </dependency>
         <dependency>
             <groupId>io.prometheus</groupId>
             <artifactId>simpleclient_servlet</artifactId>
-            <version>0.0.21</version>
+            <version>0.9.0</version>
         </dependency>
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-servlet</artifactId>
-            <version>8.1.7.v20120910</version>
+            <version>9.4.30.v20200611</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13</version>
+        </dependency>
+        <dependency>
+            <groupId>net.snowflake</groupId>
+            <artifactId>snowflake-jdbc</artifactId>
+            <version>3.12.13</version>
         </dependency>
     </dependencies>
 
@@ -62,7 +67,7 @@
         <plugins>
             <plugin>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.6.1</version>
+                <version>3.8.1</version>
                 <configuration>
                     <source>1.8</source>
                     <target>1.8</target>
@@ -76,7 +81,7 @@
             <!-- Build a full jar with dependencies -->
             <plugin>
                 <artifactId>maven-assembly-plugin</artifactId>
-                <version>3.0.0</version>
+                <version>3.3.0</version>
                 <configuration>
                     <finalName>${project.build.finalName}</finalName>
                     <archive>
@@ -103,7 +108,7 @@
             <plugin>
                 <groupId>com.spotify</groupId>
                 <artifactId>dockerfile-maven-plugin</artifactId>
-                <version>1.3.4</version>
+                <version>1.4.13</version>
                 <executions>
                     <execution>
                         <id>default</id>

src/main/java/no/sysco/middleware/metrics/prometheus/jdbc/JdbcConfig.java

@@ -279,7 +279,7 @@ private List<Collector.MetricFamilySamples> getSamples(JdbcConfig.Query query,
       throws SQLException {
     List<Collector.MetricFamilySamples.Sample> samples = new ArrayList<>();
 
-    final String queryName = String.format("jdbc_%s", query.name);
+    final String queryName = String.format("%s", query.name);
     while (rs.next()) {
       List<String> labelValues =
           query.labels