diff --git a/Dockerfile b/Dockerfile
index 8a82289..491ea9f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,9 +12,8 @@ COPY maddy.conf /pkg/data/maddy.conf
 RUN sed -Ei 's!\$\(hostname\) = .+!$(hostname) = {env:MADDY_HOSTNAME}!' /pkg/data/maddy.conf
 RUN sed -Ei 's!\$\(primary_domain\) = .+!$(primary_domain) = {env:MADDY_DOMAIN}!' /pkg/data/maddy.conf
 RUN sed -Ei 's!^tls .+!tls file /data/tls_cert.pem /data/tls_key.pem!' /pkg/data/maddy.conf
-RUN echo -e "state_dir /data\nruntime_dir /tmp" >> /pkg/data/maddy.conf
 
-RUN ./build.sh --builddir /tmp --destdir /pkg/ build install
+RUN ./build.sh --builddir /tmp --destdir /pkg/ --tags docker build install
 
 FROM alpine:3.12.2
 LABEL maintainer="fox.cpp@disroot.org"
diff --git a/directories.go b/directories.go
new file mode 100644
index 0000000..8cc64d1
--- /dev/null
+++ b/directories.go
@@ -0,0 +1,45 @@
+//+build !docker
+
+package maddy
+
+var (
+	// ConfigDirectory specifies platform-specific value
+	// that should be used as a location of default configuration
+	//
+	// It should not be changed and is defined as a variable
+	// only for purposes of modification using -X linker flag.
+	ConfigDirectory = "/etc/maddy"
+
+	// DefaultStateDirectory specifies platform-specific
+	// default for StateDirectory.
+	//
+	// Most code should use StateDirectory instead since
+	// it will contain the effective location of the state
+	// directory.
+	//
+	// It should not be changed and is defined as a variable
+	// only for purposes of modification using -X linker flag.
+	DefaultStateDirectory = "/var/lib/maddy"
+
+	// DefaultRuntimeDirectory specifies platform-specific
+	// default for RuntimeDirectory.
+	//
+	// Most code should use RuntimeDirectory instead since
+	// it will contain the effective location of the state
+	// directory.
+	//
+	// It should not be changed and is defined as a variable
+	// only for purposes of modification using -X linker flag.
+	DefaultRuntimeDirectory = "/run/maddy"
+
+	// DefaultLibexecDirectory specifies platform-specific
+	// default for LibexecDirectory.
+	//
+	// Most code should use LibexecDirectory since it will
+	// contain the effective location of the libexec
+	// directory.
+	//
+	// It should not be changed and is defined as a variable
+	// only for purposes of modification using -X linker flag.
+	DefaultLibexecDirectory = "/usr/lib/maddy"
+)
diff --git a/directories_docker.go b/directories_docker.go
new file mode 100644
index 0000000..16a9b37
--- /dev/null
+++ b/directories_docker.go
@@ -0,0 +1,10 @@
+//+build docker
+
+package maddy
+
+var (
+	ConfigDirectory         = "/data"
+	DefaultStateDirectory   = "/data"
+	DefaultRuntimeDirectory = "/tmp"
+	DefaultLibexecDirectory = "/usr/lib/maddy"
+)
diff --git a/maddy.go b/maddy.go
index ff44b59..cc7fe3a 100644
--- a/maddy.go
+++ b/maddy.go
@@ -71,46 +71,6 @@ import (
 var (
 	Version = "go-build"
 
-	// ConfigDirectory specifies platform-specific value
-	// that should be used as a location of default configuration
-	//
-	// It should not be changed and is defined as a variable
-	// only for purposes of modification using -X linker flag.
-	ConfigDirectory = "/etc/maddy"
-
-	// DefaultStateDirectory specifies platform-specific
-	// default for StateDirectory.
-	//
-	// Most code should use StateDirectory instead since
-	// it will contain the effective location of the state
-	// directory.
-	//
-	// It should not be changed and is defined as a variable
-	// only for purposes of modification using -X linker flag.
-	DefaultStateDirectory = "/var/lib/maddy"
-
-	// DefaultRuntimeDirectory specifies platform-specific
-	// default for RuntimeDirectory.
-	//
-	// Most code should use RuntimeDirectory instead since
-	// it will contain the effective location of the state
-	// directory.
-	//
-	// It should not be changed and is defined as a variable
-	// only for purposes of modification using -X linker flag.
-	DefaultRuntimeDirectory = "/run/maddy"
-
-	// DefaultLibexecDirectory specifies platform-specific
-	// default for LibexecDirectory.
-	//
-	// Most code should use LibexecDirectory since it will
-	// contain the effective location of the libexec
-	// directory.
-	//
-	// It should not be changed and is defined as a variable
-	// only for purposes of modification using -X linker flag.
-	DefaultLibexecDirectory = "/usr/lib/maddy"
-
 	enableDebugFlags  = false
 	profileEndpoint   *string
 	blockProfileRate  *int