title: Spring boot thymeleaf images
body: <p>I'm trying to develop spring boot application for sendind emails. All is ok But in the template thymeleaf, when I try to add images it display error.
  This is a snippet of my template.html</p>
  
  <pre><code> &lt;!DOCTYPE html&gt;
  &lt;html xmlns:th="http://www.thymeleaf.org"&gt;
  &lt;head&gt;
      &lt;title th:remove="all"&gt;Order Confirmation&lt;/title&gt;
      &lt;meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/&gt;
  &lt;/head&gt;
  &lt;body&gt;
  &lt;div&gt;
  
      &lt;h2 th:text="${title}"&gt;title&lt;/h2&gt;
      &lt;p th:utext="${description}"&gt;
              description
      &lt;/p&gt;
  
      &lt;br /&gt;
      &lt;br /&gt;
      &lt;br /&gt;
      &lt;p&gt;Bien cordialement&lt;/p&gt;
      &lt;div&gt;
          &lt;img th:src="@{/img/signature.png}" /&gt;
  
      &lt;/div&gt;
  &lt;/div&gt;
  
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>
  
  <p>This is the error:</p>
  
  <pre><code> ERROR [[/jira-rct/v1.0].[dispatcherServlet]] [http-nio-8080-exec-1] Servlet.service() for servlet [dispatcherServlet] in context with path [/jira-rct/v1.0] threw exception [Request processing failed; nested exception is org.thymeleaf.exceptions.TemplateProcessingException: Link base "/img/crm-signature.png" cannot be context relative (/) or page relative unless you implement the org.thymeleaf.context.IWebContext interface (context is of class: org.thymeleaf.context.Context) (email/template-1:20)] with root cause
  org.thymeleaf.exceptions.TemplateProcessingException: Link base "/img/crm-signature.png" cannot be context relative (/) or page relative unless you implement the org.thymeleaf.context.IWebContext interface (context is of class: org.thymeleaf.context.Context) (email/template-1:20)
      at org.thymeleaf.standard.expression.LinkExpression.executeLink(LinkExpression.java:270) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.standard.expression.SimpleExpression.executeSimple(SimpleExpression.java:77) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.standard.expression.Expression.execute(Expression.java:103) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.standard.expression.Expression.execute(Expression.java:133) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.standard.expression.Expression.execute(Expression.java:120) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.standard.processor.attr.AbstractStandardSingleAttributeModifierAttrProcessor.getTargetAttributeValue(AbstractStandardSingleAttributeModifierAttrProcessor.java:67) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.spring4.processor.attr.SpringSrcAttrProcessor.getTargetAttributeValue(SpringSrcAttrProcessor.java:68) ~[thymeleaf-spring4-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.processor.attr.AbstractSingleAttributeModifierAttrProcessor.getModifiedAttributeValues(AbstractSingleAttributeModifierAttrProcessor.java:59) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.processor.attr.AbstractAttributeModifierAttrProcessor.processAttribute(AbstractAttributeModifierAttrProcessor.java:62) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.processor.attr.AbstractAttrProcessor.doProcess(AbstractAttrProcessor.java:87) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.processor.AbstractProcessor.process(AbstractProcessor.java:212) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.dom.Node.applyNextProcessor(Node.java:1017) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.dom.Node.processNode(Node.java:972) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.dom.NestableNode.doAdditionalProcess(NestableNode.java:668) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.dom.Node.processNode(Node.java:990) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.dom.NestableNode.doAdditionalProcess(NestableNode.java:668) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.dom.Node.processNode(Node.java:990) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
      at org.thymeleaf.dom.NestableNode.computeNextChild(NestableNode.java:695) ~[thymeleaf-2.1.4.RELEASE.jar:2.1.4.RELEASE]
  </code></pre>
  
  <p>Best regards</p>