Read secret from env var

dice-where-downloader-lib/src/main/java/technology/dice/dicewhere/downloader/source/ipinfosite/IpInfoSiteSource.java

@@ -33,7 +33,7 @@ public FileInfo fileInfo() {
         dataConnection.setRequestMethod("HEAD");
 
         if (dataConnection.getResponseCode() > 299 || dataConnection.getResponseCode() < 200) {
-          throw new DownloaderException("Could not find remote file");
+          throw new DownloaderException("Could not find remote file " + dataConnection.getResponseCode());
         }
 
         long fileSize = dataConnection.getContentLengthLong();

dice-where-downloader-lib/src/main/java/technology/dice/dicewhere/downloader/source/maxmindsite/MaxmindSiteSource.java

@@ -33,7 +33,7 @@ public synchronized FileInfo fileInfo() {
         dataConnection.setRequestMethod("HEAD");
 
         if (dataConnection.getResponseCode() > 299 || dataConnection.getResponseCode() < 200) {
-          throw new DownloaderException("Could not find remote file");
+          throw new DownloaderException("Could not find remote file " + dataConnection.getResponseCode());
         }
 
         long fileSize = dataConnection.getContentLengthLong();

dice-where-downloader/src/main/java/technology/dice/dicewhere/downloader/picocli/commands/DownloadIpInfoSiteCommand.java

@@ -10,10 +10,12 @@
     name = "ipinfo-site",
     description = "Downloads the selected IpInfo dataset from IpInfo's website")
 public class DownloadIpInfoSiteCommand extends IpInfoBaseCommand {
-  @Option(
-      names = {"-t", "--token"},
-      required = true,
-      description = "The ipinfo download key")
+
+    @Option(
+    names = {"-t", "--token"},
+    required = false,
+    defaultValue = "${env:IPINFO_API_KEY}",
+    description = "The ipinfo download key")
   String token;
 
   @Parameters(
@@ -26,6 +28,6 @@ public class DownloadIpInfoSiteCommand extends IpInfoBaseCommand {
   public DownloadExecutionResult execute() {
     return new DownloadIpInfoSite(
             noCheckMd5, overwrite, verbose, dataset, format, token, destination)
-        .execute();
+            .execute();
   }
 }

dice-where-downloader/src/main/java/technology/dice/dicewhere/downloader/picocli/commands/DownloadMaxmindSiteCommand.java

@@ -11,10 +11,11 @@
     description = "Downloads the selected Maxmind edition of a database from Maxmind's website")
 public class DownloadMaxmindSiteCommand extends MaxmindBaseCommand {
 
-  @Option(
-      names = {"-k", "--key"},
-      required = true,
-      description = "The maxmind download key")
+    @Option(
+        names = {"-k", "--key"},
+        required = false,
+        defaultValue = "${env:MAXMIND_API_KEY}",
+        description = "The maxmind download key")
   String key;
 
   @Parameters(