Add in documentation for wait-for (#32)

README.md

@@ -70,6 +70,7 @@ Creates a testcontainers instance from a given Docker label and returns them
 | `:command`  		 | Vector with strings     | The start command of the container|
 | `:network`			 |	Map					| A map containing the configuration of a Docker Network (see: `create-network`)|
 | `:network-aliases` | Map					| A list of alias names for the container on the network |
+| `:wait-for`        | Map                  | A map containing the wait strategy to use and the condition to check for|
 
 #### Result:
 
@@ -80,6 +81,7 @@ Creates a testcontainers instance from a given Docker label and returns them
 | `:env-vars` 		| Map      			| Value of the same input parameter|
 | `:host` 	 		| String            | The host for the Docker Container|
 | `:network` 	 		| Map               | The network configuration of the Container, if provided|
+| `:wait-for`       | Map               | The wait-for configuration of the Container, if provided!
 
 #### Example:
 
@@ -94,6 +96,20 @@ Creates a testcontainers instance from a given Docker label and returns them
                    "while true; do echo \"$MAGIC_NUMBER\" | nc -l -p 80; done"]})
 ```
 
+#### Example using wait-for and healthcheck:
+
+```clojure
+(create {:image-name "alpine:3.2"
+         :exposed-ports [80]
+         :env-vars {"MAGIC_NUMBER" "42"}
+         :network (create-network)
+         :network-aliases ["api-server"]
+         :wait-for {:strategy :health}
+         :command ["/bin/sh"
+                   "-c"
+                   "while true; do echo \"$MAGIC_NUMBER\" | nc -l -p 80; done"]})
+```
+
 ### init
 Initializes a given Testcontainer, which was e.g. provided by a library
 
@@ -107,6 +123,7 @@ Initializes a given Testcontainer, which was e.g. provided by a library
 | `:command`  		| Vector with strings     | The start command of the container|
 | `:network`			| Map						| A map containing the configuration of a Docker Network (see: `create-network`)|
 | `:network-aliases` | Map					| A list of alias names for the container on the network |
+| `:wait-for`        | Map                  | A map containing the wait strategy to use and the condition to check for|
 #### Result:
 
 | Key      	| Type          		| Description  |
@@ -116,6 +133,7 @@ Initializes a given Testcontainer, which was e.g. provided by a library
 | `:env-vars` 		| Map      			| Value of the same input parameter|
 | `:host` 	 		| String     | The host for the Docker Container|
 | `:network` 	 		| Map               | The network configuration of the Container, if provided|
+| `:wait-for`       | Map               | The wait-for configuration of the Container, if provided!
 
 #### Example:
 
@@ -129,6 +147,19 @@ Initializes a given Testcontainer, which was e.g. provided by a library
                  "while true; do echo \"$MAGIC_NUMBER\" | nc -l -p 80; done"]})
 ```
 
+#### Example using wait-for and a log message:
+
+```clojure
+;; PostgreSQL container needs a separate library! This is not included.
+(init {:container (org.testcontainers.containers.PostgreSQLContainer)
+       :exposed-ports [80]
+       :env-vars {"MAGIC_NUMBER" "42"}
+       :wait-for {:strategy :log :message "accept connections"}
+       :command ["/bin/sh"
+                 "-c"
+                 "while true; do echo \"$MAGIC_NUMBER\" | nc -l -p 80; done"]})
+```
+
 ### create-from-docker-file
 Creates a testcontainer from a Dockerfile
 
@@ -142,6 +173,7 @@ Creates a testcontainer from a Dockerfile
 | `:command`  		| Vector with strings     | The start command of the container|
 | `:network`			| Map						| A map containing the configuration of a Docker Network (see: `create-network`)|
 | `:network-aliases` | Map					| A list of alias names for the container on the network |
+| `:wait-for`        | Map                  | A map containing the wait strategy to use and the condition to check for|
 #### Result:
 
 | Key      	| Type          		| Description  |
@@ -151,6 +183,7 @@ Creates a testcontainer from a Dockerfile
 | `:env-vars` 		| Map      			| Value of the same input parameter|
 | `:host` 	 		| String     | The host for the Docker Container|
 | `:network` 	 		| Map               | The network configuration of the Container, if provided|
+| `:wait-for`       | Map               | The wait-for configuration of the Container, if provided!
 
 #### Example: