Fix for docker (#15)

* Fix for docker

* fix readme

.dockerignore

@@ -4,7 +4,7 @@
 !go.mod
 !go.sum
 !go_tile
-!logger.go
-!main.go
-!renderer.go
+!*.go
 !static
+!renderer/*.go
+!utils/*.go

README.md

@@ -143,10 +143,11 @@ Anyways it should give you an indication of whether this is fast enough for your
 
 This repo also contains an experimental rudimentary renderer. Its goal is to be able to render some sort of map with little operational overhead.
 
-Experimental renderer (this will not be updated on every release, so ymmv):
+Experimental renderer (this will not be updated on every release, so ymmv) compared with osm.org:
+
 ![black lines only](assets/5295.png)
-Comparison of osm.org:
 ![osm.org](assets/5295-compare.png)
+
 Images [OpenStreetMap](https://www.openstreetmap.org/) contributors, [CC-BY-SA](https://creativecommons.org/licenses/by-sa/2.0/)
 
 To use this, pass an oms.pbf file via `-osm_path`.

go.mod

@@ -2,10 +2,12 @@ module github.com/nielsole/go_tile
 
 go 1.20
 
-require github.com/paulmach/osm v0.7.1
+require (
+	git.sr.ht/~sbinet/gg v0.5.0
+	github.com/paulmach/osm v0.7.1
+)
 
 require (
-	git.sr.ht/~sbinet/gg v0.5.0 // indirect
 	github.com/campoy/embedmd v1.0.0 // indirect
 	github.com/datadog/czlib v0.0.0-20160811164712-4bc9a24e37f2 // indirect
 	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect