add readme

readme.md

@@ -0,0 +1,27 @@
+### Docker images with php and composer inside
+
+#### Build
+
+```bash
+make build-72
+```
+
+or
+
+```
+make build-73
+```
+
+#### Run
+
+After making image run
+
+```bash
+docker run -it --rm -v `pwd`:/var/www/project -w /var/www/project --user=1000 local-composer:7.2 sh
+```
+
+or
+
+```bash
+docker run -it --rm -v `pwd`:/var/www/project -w /var/www/project --user=1000 local-composer:7.3 sh
+```