diff --git a/build.gradle b/build.gradle
index 28e9640..0d7c939 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,14 +4,15 @@ buildscript {
     }
     dependencies {
         classpath "io.ratpack:ratpack-gradle:1.5.1"
+        classpath 'se.transmode.gradle:gradle-docker:1.2'
     }
 }
 
 plugins {
     id 'idea'
     id 'groovy'
-    id "io.ratpack.ratpack-groovy" version "1.5.1"
-    id "org.flywaydb.flyway" version "5.0.7"
+    id "io.ratpack.ratpack-groovy" version "1.5.1" apply false
+    id "org.flywaydb.flyway" version "5.0.7" apply false
 }
 
 allprojects {
@@ -21,3 +22,7 @@ allprojects {
         jcenter()
     }
 }
+
+task wrapper(type: Wrapper) {
+    gradleVersion = '4.7'
+}
\ No newline at end of file
diff --git a/dbt-core/src/main/groovy/com/devsoap/dbt/DBTModule.groovy b/dbt-core/src/main/groovy/com/devsoap/dbt/DBTModule.groovy
index ebfe2b5..6079c20 100644
--- a/dbt-core/src/main/groovy/com/devsoap/dbt/DBTModule.groovy
+++ b/dbt-core/src/main/groovy/com/devsoap/dbt/DBTModule.groovy
@@ -27,6 +27,7 @@ import com.devsoap.dbt.services.LedgerService
 import com.devsoap.dbt.services.TransactionManagerService
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.google.inject.multibindings.Multibinder
+import groovy.json.JsonBuilder
 import groovy.util.logging.Slf4j
 import ratpack.guice.ConfigurableModule
 import ratpack.handling.HandlerDecorator
@@ -48,7 +49,6 @@ class DBTModule extends ConfigurableModule<DBTConfig> {
         bind(ExecutorHandler)
 
         bind(LedgerData)
-
         bind(LedgerService)
         bind(TransactionManagerService)
 
@@ -70,7 +70,7 @@ class DBTModule extends ConfigurableModule<DBTConfig> {
             config.executor.remoteUrl = "http://localhost:${serverConfig.port}/${config.executor.path}"
         }
         if(!config.ledger.remoteUrl) {
-            config.executor.remoteUrl = "http://localhost:${serverConfig.port}/${config.ledger.path}"
+            config.ledger.remoteUrl = "http://localhost:${serverConfig.port}/${config.ledger.path}"
         }
     }
 }
\ No newline at end of file
diff --git a/dbt-core/src/main/groovy/com/devsoap/dbt/actions/ExecutorChainAction.groovy b/dbt-core/src/main/groovy/com/devsoap/dbt/actions/ExecutorChainAction.groovy
index 797814e..1e734a9 100644
--- a/dbt-core/src/main/groovy/com/devsoap/dbt/actions/ExecutorChainAction.groovy
+++ b/dbt-core/src/main/groovy/com/devsoap/dbt/actions/ExecutorChainAction.groovy
@@ -25,15 +25,19 @@ import ratpack.groovy.handling.GroovyChainAction
 class ExecutorChainAction extends GroovyChainAction {
 
     private final String executorPath
+    private final boolean enabled
 
     @Inject
     ExecutorChainAction(DBTConfig config) {
         executorPath = config.executor.path
+        enabled = config.executor.enabled
     }
 
     @Override
     void execute() throws Exception {
-        log.info("Registering executor at $executorPath")
+        if(!enabled) return
+
+        log.info("Registering executor at /$executorPath")
         path(executorPath, ExecutorHandler)
     }
 }
diff --git a/dbt-core/src/main/groovy/com/devsoap/dbt/actions/LedgerChainAction.groovy b/dbt-core/src/main/groovy/com/devsoap/dbt/actions/LedgerChainAction.groovy
index eb06f0a..e3cbadb 100644
--- a/dbt-core/src/main/groovy/com/devsoap/dbt/actions/LedgerChainAction.groovy
+++ b/dbt-core/src/main/groovy/com/devsoap/dbt/actions/LedgerChainAction.groovy
@@ -28,15 +28,19 @@ import ratpack.handling.Handlers
 class LedgerChainAction extends GroovyChainAction {
 
     private final String ledgerPath
+    private final boolean enabled
 
     @Inject
     LedgerChainAction(DBTConfig config) {
         ledgerPath = config.ledger.path
+        enabled = config.ledger.enabled
     }
 
     @Override
     void execute() throws Exception {
-        log.info("Registering ledger at $ledgerPath")
+        if(!enabled) return
+
+        log.info("Registering ledger at /$ledgerPath")
         path(ledgerPath, Handlers.chain(
                 registry.get(LedgerGetTransactionHandler),
                 registry.get(LedgerUpdateTransactionHandler),
diff --git a/dbt-core/src/main/groovy/com/devsoap/dbt/config/ExecutorConfig.groovy b/dbt-core/src/main/groovy/com/devsoap/dbt/config/ExecutorConfig.groovy
index 833ed76..81a2a76 100644
--- a/dbt-core/src/main/groovy/com/devsoap/dbt/config/ExecutorConfig.groovy
+++ b/dbt-core/src/main/groovy/com/devsoap/dbt/config/ExecutorConfig.groovy
@@ -16,6 +16,7 @@
 package com.devsoap.dbt.config
 
 class ExecutorConfig {
+    boolean enabled = true
     String path = 'executor'
     String remoteUrl
 }
diff --git a/dbt-core/src/main/groovy/com/devsoap/dbt/config/LedgerConfig.groovy b/dbt-core/src/main/groovy/com/devsoap/dbt/config/LedgerConfig.groovy
index a73dc0f..e6392ab 100644
--- a/dbt-core/src/main/groovy/com/devsoap/dbt/config/LedgerConfig.groovy
+++ b/dbt-core/src/main/groovy/com/devsoap/dbt/config/LedgerConfig.groovy
@@ -16,6 +16,7 @@
 package com.devsoap.dbt.config
 
 class LedgerConfig {
+    boolean enabled = true
     String path = 'ledger'
     String remoteUrl
 }
diff --git a/dbt-core/src/main/groovy/com/devsoap/dbt/handlers/ExecutorHandler.groovy b/dbt-core/src/main/groovy/com/devsoap/dbt/handlers/ExecutorHandler.groovy
index 3eaa30f..9550394 100644
--- a/dbt-core/src/main/groovy/com/devsoap/dbt/handlers/ExecutorHandler.groovy
+++ b/dbt-core/src/main/groovy/com/devsoap/dbt/handlers/ExecutorHandler.groovy
@@ -22,6 +22,7 @@ import groovy.util.logging.Slf4j
 import ratpack.exec.Promise
 import ratpack.handling.Context
 import ratpack.handling.Handler
+import ratpack.http.HttpMethod
 import ratpack.http.Status
 import ratpack.http.client.HttpClient
 import ratpack.jdbctx.Transaction
@@ -46,32 +47,36 @@ class ExecutorHandler implements Handler {
 
     @Override
     void handle(Context ctx) throws Exception {
-        ctx.request.body.then { body ->
-            def mapper = ctx.get(ObjectMapper)
-            def ds = ctx.get(DataSource)
-            def transaction = mapper.readValue(body.text, BlockTransaction)
+        if(ctx.request.method == HttpMethod.POST) {
+            ctx.request.body.then { body ->
+                def mapper = ctx.get(ObjectMapper)
+                def ds = ctx.get(DataSource)
+                def transaction = mapper.readValue(body.text, BlockTransaction)
 
-            if(!validateChain(transaction)) {
-                ctx.response.status(Status.of(400, 'Transaction chain invalid'))
-                return
-            }
-
-            executeCommands(ds, transaction).onError { e ->
-                log.info("Sending rolled back transaction to ledger")
-                println mapper.writeValueAsString(transaction)
-                client.post(config.ledger.remoteUrl.toURI(), { spec ->
-                    spec.body.text(mapper.writeValueAsString(transaction))
-                }).then {
-                    ctx.error(e)
+                if(!validateChain(transaction)) {
+                    ctx.response.status(Status.of(400, 'Transaction chain invalid'))
+                    return
                 }
-            }.then {
-                log.info("Updating ledger with execution result")
-                client.post(config.ledger.remoteUrl.toURI(), { spec ->
-                    spec.body.text(mapper.writeValueAsString(transaction))
-                }).then {
-                    ctx.response.send(mapper.writeValueAsString(transaction))
+
+                executeCommands(ds, transaction).onError { e ->
+                    log.info("Sending rolled back transaction to ledger")
+                    println mapper.writeValueAsString(transaction)
+                    client.post(config.ledger.remoteUrl.toURI(), { spec ->
+                        spec.body.text(mapper.writeValueAsString(transaction))
+                    }).then {
+                        ctx.error(e)
+                    }
+                }.then {
+                    log.info("Updating ledger with execution result")
+                    client.post(config.ledger.remoteUrl.toURI(), { spec ->
+                        spec.body.text(mapper.writeValueAsString(transaction))
+                    }).then {
+                        ctx.response.send(mapper.writeValueAsString(transaction))
+                    }
                 }
             }
+        } else {
+            ctx.next()
         }
     }
 
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..9365cf4
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,13 @@
+version: '2'
+
+services:
+  executor:
+    image: com.devsoap/dbt-executor
+    container_name: dbt-executor
+    environment:
+    - dbt.ledger.url=http://ledger:5050
+  ledger:
+    image: com.devsoap/dbt-ledger
+    container_name: dbt-ledger
+    environment:
+    - dbt.executor.url=http://executor:5050
\ No newline at end of file
diff --git a/docker-executor/build.gradle b/docker-executor/build.gradle
new file mode 100644
index 0000000..1db051d
--- /dev/null
+++ b/docker-executor/build.gradle
@@ -0,0 +1,22 @@
+apply plugin: 'docker'
+
+group 'com.devsoap'
+
+dependencies {
+    compile project(':dbt-core')
+    runtime ratpack.dependency('h2')
+    runtime ratpack.dependency('jdbc-tx')
+    runtime 'org.slf4j:slf4j-simple:1.7.25'
+}
+
+run {
+    environment('RATPACK_DBT__LEDGER__REMOTE_URL', findProperty('ledgerURL').toString() ?: "http://localhost:5050/ledger")
+    environment('RATPACK_DBT__LEDGER__ENABLED', false)
+}
+
+distDocker {
+    registry = findProperty('dockerRegistry')
+    tagVersion = 'latest'
+    exposePort 5050
+    run.environment.each {key,value -> setEnvironment(key.toString(), value.toString())}
+}
diff --git a/docker-executor/src/ratpack/Ratpack.groovy b/docker-executor/src/ratpack/Ratpack.groovy
new file mode 100644
index 0000000..e783ffc
--- /dev/null
+++ b/docker-executor/src/ratpack/Ratpack.groovy
@@ -0,0 +1,24 @@
+import com.devsoap.dbt.DBTModule
+import org.h2.jdbcx.JdbcDataSource
+import org.slf4j.LoggerFactory
+
+import javax.sql.DataSource
+
+import static ratpack.groovy.Groovy.ratpack
+
+def log = LoggerFactory.getLogger('dbt-executor')
+
+ratpack {
+    serverConfig {
+        env()
+        sysProps()
+    }
+
+    bindings {
+        bindInstance(DataSource, new JdbcDataSource(url: 'jdbc:h2:mem:dbtdb;DB_CLOSE_DELAY=-1', user: ''))
+        module (DBTModule)  { config ->
+            log.info "Executor available at $config.executor.remoteUrl"
+            log.info "Ledger available at $config.ledger.remoteUrl"
+        }
+    }
+}
diff --git a/docker-ledger/Ratpack.groovy b/docker-ledger/Ratpack.groovy
new file mode 100644
index 0000000..669f971
--- /dev/null
+++ b/docker-ledger/Ratpack.groovy
@@ -0,0 +1,16 @@
+@Grapes([
+        @Grab('io.ratpack:ratpack-groovy:1.5.4'),
+        @Grab('org.slf4j:slf4j-simple:1.7.25')
+])
+
+import com.devsoap.dbt.DBTModule
+
+import static ratpack.groovy.Groovy.ratpack
+
+ratpack {
+    bindings {
+        module (DBTModule) { config ->
+            config.executor.remoteUrl = System.properties.getProperty('dbt.executor.url')
+        }
+    }
+}
diff --git a/docker-ledger/build.gradle b/docker-ledger/build.gradle
new file mode 100644
index 0000000..9c0012a
--- /dev/null
+++ b/docker-ledger/build.gradle
@@ -0,0 +1,22 @@
+apply plugin: 'docker'
+
+group 'com.devsoap'
+
+dependencies {
+    compile project(':dbt-core')
+    runtime ratpack.dependency('h2')
+    runtime ratpack.dependency('jdbc-tx')
+    runtime 'org.slf4j:slf4j-simple:1.7.25'
+}
+
+run {
+    environment('RATPACK_DBT__EXECUTOR__REMOTE_URL', findProperty('executorURL').toString() ?: "http://localhost:5050/executor")
+    environment('RATPACK_DBT__EXECUTOR__ENABLED', false)
+}
+
+distDocker {
+    registry = findProperty('dockerRegistry')
+    tagVersion = 'latest'
+    exposePort 5050
+    run.environment.each {key,value -> setEnvironment(key.toString(), value.toString())}
+}
diff --git a/docker-ledger/src/ratpack/Ratpack.groovy b/docker-ledger/src/ratpack/Ratpack.groovy
new file mode 100644
index 0000000..e783ffc
--- /dev/null
+++ b/docker-ledger/src/ratpack/Ratpack.groovy
@@ -0,0 +1,24 @@
+import com.devsoap.dbt.DBTModule
+import org.h2.jdbcx.JdbcDataSource
+import org.slf4j.LoggerFactory
+
+import javax.sql.DataSource
+
+import static ratpack.groovy.Groovy.ratpack
+
+def log = LoggerFactory.getLogger('dbt-executor')
+
+ratpack {
+    serverConfig {
+        env()
+        sysProps()
+    }
+
+    bindings {
+        bindInstance(DataSource, new JdbcDataSource(url: 'jdbc:h2:mem:dbtdb;DB_CLOSE_DELAY=-1', user: ''))
+        module (DBTModule)  { config ->
+            log.info "Executor available at $config.executor.remoteUrl"
+            log.info "Ledger available at $config.ledger.remoteUrl"
+        }
+    }
+}
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 9411448..91ca28c 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 35937d2..16d2805 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Fri Feb 23 08:49:01 EET 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.7-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.9-bin.zip
diff --git a/gradlew b/gradlew
index 9d82f78..cccdd3d 100755
--- a/gradlew
+++ b/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -6,42 +6,6 @@
 ##
 ##############################################################################
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn ( ) {
-    echo "$*"
-}
-
-die ( ) {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-esac
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -60,6 +24,46 @@ cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
 cd "$SAVED" >/dev/null
 
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
 # Determine the Java command to use to start the JVM.
@@ -85,7 +89,7 @@ location of your Java installation."
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -150,11 +154,19 @@ if $cygwin ; then
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(save "$@")
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
index 8a0b282..f955316 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -8,14 +8,14 @@
 @rem Set local scope for the variables with windows NT shell
 if "%OS%"=="Windows_NT" setlocal
 
-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
-
 set DIRNAME=%~dp0
 if "%DIRNAME%" == "" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
 @rem Find java.exe
 if defined JAVA_HOME goto findJavaFromJavaHome
 
@@ -46,10 +46,9 @@ echo location of your Java installation.
 goto fail
 
 :init
-@rem Get command-line arguments, handling Windowz variants
+@rem Get command-line arguments, handling Windows variants
 
 if not "%OS%" == "Windows_NT" goto win9xME_args
-if "%@eval[2+2]" == "4" goto 4NT_args
 
 :win9xME_args
 @rem Slurp the command line arguments.
@@ -60,11 +59,6 @@ set _SKIP=2
 if "x%~1" == "x" goto execute
 
 set CMD_LINE_ARGS=%*
-goto execute
-
-:4NT_args
-@rem Get arguments from the 4NT Shell from JP Software
-set CMD_LINE_ARGS=%$
 
 :execute
 @rem Setup the command line
diff --git a/settings.gradle b/settings.gradle
index 99a4aad..d83491a 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1,4 +1,8 @@
 include 'dbt-core'
 include 'dbt-test'
 include 'dbt-demo'
+include 'docker-executor'
+include 'docker-ledger'
 
+project(':docker-executor').name = 'dbt-executor'
+project(':docker-ledger').name = 'dbt-ledger'