diff --git a/build/usr/local/bin/autodoc b/build/usr/local/bin/autodoc
deleted file mode 100755
index 03b9c00..0000000
--- a/build/usr/local/bin/autodoc
+++ /dev/null
@@ -1,40 +0,0 @@
-#!/bin/bash
-
-#
-# hard globals
-#
-
-g_bin="$(readlink -f "$(which "$0")")"
-g_lib=${g_bin/"bin"/"lib"}
-declare -a g_build_systems
-declare -A g_build_systems_glob
-
-#
-# load base program
-#
-
-source "${g_lib}/globals"
-source "${g_lib}/logging"
-source "${g_lib}/handle_inotify"
-
-for plugin in "${g_lib}/plugins/"*".sh"; do
-  source "${plugin}"
-done
-
-#
-# MAIN
-#
-
-echo "Booting '${g_bin}' in '${g_watchroot}'."
-# setup inotify:
-#   -mrq monitor, recursive, quiet
-#   -e events
-#   --format %e eventlist csv, %w workdir, %f filename
-inotifywait -mrq \
-  -e create -e delete -e moved_to -e close_write \
-  --format '%e %w%f' \
-  "${g_watchroot}" | \
-\
-while read NOTIFICATION; do
-  do_handle ${NOTIFICATION}
-done
diff --git a/build/usr/local/lib/autodoc/globals b/build/usr/local/lib/autodoc/globals
deleted file mode 100644
index bbe9c83..0000000
--- a/build/usr/local/lib/autodoc/globals
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/bash
-
-# $WATCHROOT (default: ".")
-g_watchroot="$(readlink -f "${1:-.}")"
diff --git a/build/usr/local/lib/autodoc/handle_inotify b/build/usr/local/lib/autodoc/handle_inotify
deleted file mode 100644
index 63e7f94..0000000
--- a/build/usr/local/lib/autodoc/handle_inotify
+++ /dev/null
@@ -1,72 +0,0 @@
-#!/bin/bash
-
-# process an inotify event
-do_handle() { # $FLAGS $OBJECT
-  # extract params
-  local flags="$1"
-  shift 1
-  local dir="$(dirname "$*")"
-  local object="$(basename "$*")"
-
-  if [[ "${flags}" =~ "ISDIR" ]]; then
-    # object refers to directory
-    local dir="${dir}/${object}"
-    local object="."
-  fi
-
-  # start using toolchain
-  logline_append "'${object}': '${flags}' in '${dir}'."
-  do_compile "${dir}" "${object}"
-  logline_flush
-}
-
-# compile an OBJECT using build instructions found in DIRectory
-do_compile() { # $DIR $OBJECT $DONE
-  # extract params
-  local dir="$1"
-  local object="$2"
-  local done="${3:-0}"
-
-  # build systems
-  for build_system in ${g_build_systems[@]}; do
-    do_build_system "${dir}" "${object}" "${build_system}" \
-    && local done="1"
-  done
-
-  # never leave $g_watchroot
-  if [ "${dir}" != "${g_watchroot}" ]; then
-    # search parent dir for more build instructions
-    do_compile "$(dirname "${dir}")" "${object}" "${done}"
-
-  elif [ "${done}" == "0" ]; then
-    # hit $g_watchroot
-    logline_append "Not a source file."
-  fi
-}
-
-# use given BUILD_SYSTEM to process an OBJECT from a DIRectory
-do_build_system() { # $DIR $OBJECT $BUILD_SYSTEM
-  # extract params
-  local dir="$1"
-  local object="$2"
-  local build_system="$3"
-
-  # not done yet
-  local result=1
-
-  # get glob pattern for plugin
-  for glob in ${g_build_systems_glob[${build_system}]}; do
-    # match glob in directory
-    for file in "${dir}"/${glob}; do
-      # check file readability
-      if [ -r "${file}" ]; then
-        # actually call into build system
-        logline_append "Found '${file}':"
-        do_${build_system} "${dir}" "${object}" "$(basename "${file}")" \
-        && local result=0
-      fi
-    done
-  done
-
-  return ${result}
-}
diff --git a/build/usr/local/lib/autodoc/plugins/make.sh b/build/usr/local/lib/autodoc/plugins/make.sh
deleted file mode 100644
index 6ee1ef8..0000000
--- a/build/usr/local/lib/autodoc/plugins/make.sh
+++ /dev/null
@@ -1,45 +0,0 @@
-#!/bin/bash
-
-# plugin name
-g_build_systems+=(make)
-
-# build instruction file globs for this plugin
-g_build_systems_glob[make]="Makefile *.mk"
-
-# compile using bare make command
-do_make() { # $DIR $OBJECT $MAKEFILE
-  # extract params
-  local dir="$1"
-  local object="$2"
-  local makefile="$3"
-
-  # check Makefile 'source pattern'
-  local srcpat="$(grep -E "^#%SRCPAT%" "${dir}/${makefile}" | tail -n 1 | sed -r "s/^#%SRCPAT%\s+//")"
-
-  if [ -z "${srcpat}" ]; then
-    logline_append "Empty source pattern, check '#%SRCPAT%' annotation!"
-    return 1
-
-  elif [[ "${object}" =~ ${srcpat} ]]; then
-    # check for autodoc target
-    local target="$(grep -E "^autodoc:" "${dir}/${makefile}" | sed -r "s/:.*$//")"
-
-    if [ -z "${target}" ]; then
-      logline_append "Running 'make'!"
-    else
-      logline_append "Making '${target}'!"
-    fi
-
-    # actually run "make" and save (truncated) output
-    local makelog="$(make --no-print-directory -C "${dir}" -f "${makefile}" -j ${target})"
-    logline_append "$(echo "${makelog}" | head -n 10 | sed 's/$/;/g' | tr '\n' ' ' | sed 's/ *$//')"
-
-    logline_append "Done."
-
-  else
-    logline_append "SRCPAT '${srcpat}' mismatch."
-    return 1
-  fi
-
-  return 0
-}
diff --git a/docker-compose.yml b/docker-compose.yml
index e51149f..cad3529 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,11 +9,11 @@ services:
 
     image: ldericher/autodoc
     build:
-      context: ./build
+      context: ./src
 
     command: "bash"
 
     volumes:
-      - "${PWD}/build/usr/local/bin/autodoc:/usr/local/bin/autodoc:ro"
-      - "${PWD}/build/usr/local/lib/autodoc:/usr/local/lib/autodoc:ro"
+      - "${PWD}/src/usr/local/bin/autodoc:/usr/local/bin/autodoc:ro"
+      - "${PWD}/src/usr/local/lib/autodoc:/usr/local/lib/autodoc:ro"
       - "${PWD}/examples:/docs"
diff --git a/build/Dockerfile b/src/Dockerfile
similarity index 86%
rename from build/Dockerfile
rename to src/Dockerfile
index c014a7a..c74c5d8 100644
--- a/build/Dockerfile
+++ b/src/Dockerfile
@@ -6,4 +6,4 @@ RUN apt-get update && apt-get -y install \
 
 COPY usr /usr
 
-CMD ["autodoc"]
+CMD ["autodoc", "-bw"]
diff --git a/src/usr/local/bin/autodoc b/src/usr/local/bin/autodoc
new file mode 100755
index 0000000..3be9df9
--- /dev/null
+++ b/src/usr/local/bin/autodoc
@@ -0,0 +1,45 @@
+#!/bin/bash
+
+#
+# hard globals
+#
+
+g_bin="$(readlink -f "$(which "$0")")"
+g_lib=${g_bin/"bin"/"lib"}
+
+#
+# load base program
+#
+
+source "${g_lib}/globals"
+source "${g_lib}/logging"
+source "${g_lib}/main"
+
+for plugin in "${g_lib}/plugins/"*".sh"; do
+  source "${plugin}"
+done
+
+#
+# MAIN
+#
+
+# show debug info
+if [ ${g_verbose} -eq 1 ]; then
+  logline_append "Variables:"
+  logline_append "build:${g_build}"
+  logline_append "watch:${g_watch}"
+  logline_append "root:${g_root}"
+  logline_flush
+fi
+
+if [ ${g_build} -eq 1 ]; then
+  echo "Building everything in '${g_root}'."
+  do_build_all
+fi
+
+if [ ${g_watch} -eq 1 ]; then
+  echo "Watching '${g_root}'."
+  do_build_watch
+fi
+
+echo "Done."
diff --git a/src/usr/local/lib/autodoc/globals b/src/usr/local/lib/autodoc/globals
new file mode 100644
index 0000000..595aba1
--- /dev/null
+++ b/src/usr/local/lib/autodoc/globals
@@ -0,0 +1,67 @@
+#!/bin/bash
+
+# array of available build systems
+declare -a g_build_systems
+
+# map of file globs for build systems
+declare -A g_build_systems_glob
+
+# map of annotation patterns for build systems
+declare -A g_build_systems_annotations
+
+# simple help page
+do_show_help() {
+  echo "Usage: ${0} [-h?bwv] [-r ROOT] [ROOT]"
+  echo
+  echo "Options:"
+  echo "    -h, -?      Show this help and exit"
+  echo "    -b          Build ROOT directory on startup"
+  echo "    -w          Keep watching ROOT directory for changes"
+  echo "    -v          Verbose output"
+  echo "    -r ROOT     Set ROOT directory"
+  echo
+  echo "ROOT directory can be set via '-r' argument or positionally."
+  echo "If ROOT directory is undefined, it defaults to the current working directory."
+  exit 0
+}
+
+# reset in case getopts has been used previously in the shell
+OPTIND=1
+
+# initialize variables
+g_build=0
+g_watch=0
+g_root=""
+
+while getopts "h?bwvr:" opt; do
+  case "$opt" in
+  h|\?) 
+    do_show_help
+    ;;
+  b)  
+    g_build=1
+    ;;
+  w)  
+    g_watch=1
+    ;;
+  v)  
+    g_verbose=1
+    ;;
+  r)  
+    g_root="${OPTARG}"
+    ;;
+  esac
+done
+
+# default to help
+[ ${g_build} -eq 0 ] && [ ${g_watch} -eq 0 ] && [ ${g_verbose} -eq 0 ] && do_show_help
+
+# shift off getopts parsed options
+shift $((OPTIND-1))
+[ "${1:-}" = "--" ] && shift
+
+# if g_root undefined by getopt, 
+[ -z "${g_root:-}" ] && g_root="$1"
+
+# get actual $ROOT directory (default: ".")
+g_root="$(readlink -f "${g_root:-.}")"
\ No newline at end of file
diff --git a/build/usr/local/lib/autodoc/logging b/src/usr/local/lib/autodoc/logging
similarity index 100%
rename from build/usr/local/lib/autodoc/logging
rename to src/usr/local/lib/autodoc/logging
diff --git a/src/usr/local/lib/autodoc/main b/src/usr/local/lib/autodoc/main
new file mode 100644
index 0000000..d9b874b
--- /dev/null
+++ b/src/usr/local/lib/autodoc/main
@@ -0,0 +1,146 @@
+#!/bin/bash
+
+# process an inotify event
+do_handle_inotify() { # $FLAGS $OBJECT
+  # extract params
+  local flags="$1"
+  shift 1
+  local dir="$(dirname "$*")"
+  local object="$(basename "$*")"
+
+  if [[ "${flags}" =~ "ISDIR" ]]; then
+    # object refers to directory
+    local dir="${dir}/${object}"
+    local object="."
+  fi
+
+  # start using toolchain
+  logline_append "'${object}': '${flags}' in '${dir}'."
+  do_compile "${dir}" "${object}"
+  logline_flush
+}
+
+# compile an OBJECT using build instructions found in DIRectory
+do_compile() { # $DIR $OBJECT $DONE
+  # extract params
+  local dir="$1"
+  local object="$2"
+  local done="${3:-0}"
+
+  # build systems
+  for build_system in ${g_build_systems[@]}; do
+    do_build_system "${dir}" "${build_system}" "${object}" \
+    && local done="1"
+  done
+
+  # never leave $g_root
+  if [ "${dir}" != "${g_root}" ]; then
+    # search parent dir for more build instructions
+    do_compile "$(dirname "${dir}")" "${object}" "${done}"
+
+  elif [ "${done}" == "0" ]; then
+    # hit $g_root
+    logline_append "Not a source file."
+  fi
+}
+
+# check if defined source pattern matches OBJECT
+do_check_srcpat() { # $DIR $BUILD_DESC $ANNOTATION $OBJECT
+  # extract params
+  local dir="$1"
+  local build_desc="$2"
+  local annotation="$3"
+  local object="$4"
+
+  # check 'source pattern'
+  local srcpat="$(grep -E "^${annotation}" "${dir}/${build_desc}" | tail -n 1 | sed -r "s/^${annotation}\s+//")"
+
+  if [ -z "${srcpat}" ]; then
+    # empty srcpat => fail
+    logline_append "Empty source pattern, check for '${annotation}' annotation!"
+    return 1
+
+  elif [ -z "${object}" ]; then
+    # empty object = "no specific object" => success
+    return 0
+
+  elif [[ "${object}" =~ ${srcpat} ]]; then
+    # nonempty object matches srcpat => success
+    return 0
+
+  else
+    # nonempty object does not match srcpat => fail
+    logline_append "SRCPAT '${srcpat}' mismatch."
+    return 1
+
+  fi
+}
+
+# use given BUILD_SYSTEM to process an OBJECT from a DIRectory
+do_build_system() { # $DIR $BUILD_SYSTEM $OBJECT
+  # extract params
+  local dir="$1"
+  local build_system="$2"
+  local object="$3"
+
+  # not done yet
+  local result=1
+
+  # get glob patterns for plugin
+  for glob in ${g_build_systems_glob[${build_system}]}; do
+    # match each glob in directory
+    for file in "${dir}"/${glob}; do
+      # check file readability
+      if [ -r "${file}" ]; then
+        # actually call into build system
+        logline_append "Found '${file}':"
+
+        local file="$(basename "${file}")"
+        do_${build_system} "${dir}" "${file}" "${object}" \
+        && local result=0
+      fi
+    done
+  done
+
+  return ${result}
+}
+
+# force build using all systems
+do_build_all() { #
+  # build systems
+  for build_system in ${g_build_systems[@]}; do
+    echo "Build system '${build_system}'."
+    for glob in ${g_build_systems_glob[${build_system}]}; do
+
+      # match each glob recursively
+      find "${g_root}" -iname "${glob}" | \
+      while read file; do
+        if [ -r "${file}" ]; then
+          # force call into build system
+          logline_append "Found '${file}':"
+          
+          local dir="$(dirname "${file}")"
+          local file="$(basename "${file}")"
+          do_${build_system}_all "${dir}" "$(basename "${file}")"
+
+          logline_flush
+        fi
+      done
+    done
+  done
+}
+
+do_build_watch() { #
+  # setup inotify:
+  #   -mrq monitor, recursive, quiet
+  #   -e events
+  #   --format %e eventlist csv, %w workdir, %f filename
+  inotifywait -mrq \
+    -e create -e delete -e moved_to -e close_write \
+    --format '%e %w%f' \
+    "${g_root}" | \
+  \
+  while read NOTIFICATION; do
+    do_handle_inotify ${NOTIFICATION}
+  done
+}
diff --git a/src/usr/local/lib/autodoc/plugins/make.sh b/src/usr/local/lib/autodoc/plugins/make.sh
new file mode 100644
index 0000000..d836faa
--- /dev/null
+++ b/src/usr/local/lib/autodoc/plugins/make.sh
@@ -0,0 +1,57 @@
+#!/bin/bash
+
+# plugin name
+g_build_systems+=(make)
+
+# build instruction file globs for this plugin
+g_build_systems_glob[make]="Makefile *.mk"
+
+# srcpat annotation prefix for this plugin
+g_build_systems_annotations[make]='#%SRCPAT%'
+
+# try to compile file OBJECT
+do_make() { # $DIR $OBJECT $MAKEFILE
+  # extract params
+  local dir="$1"
+  local makefile="$2"
+  local object="$3"
+
+  # only run if "object" is source file
+  if do_check_srcpat "${dir}" "${makefile}" "${g_build_systems_annotations[make]}" "${object}"; then
+    do_run_make "${dir}" "${makefile}"
+  fi
+}
+
+# try running make for MAKEFILE inside DIRectory
+do_make_all() { # $DIR $MAKEFILE
+  # extract params
+  local dir="$1"
+  local makefile="$2"
+
+  # only run if "makefile" is relevant for autodoc
+  if do_check_srcpat "${dir}" "${makefile}" "${g_build_systems_annotations[make]}" ""; then
+    do_run_make "${dir}" "${makefile}"
+  fi
+}
+
+# actually run GNU Make with MAKEFILE inside DIRectory
+do_run_make() { # $DIR $MAKEFILE
+  # extract params
+  local dir="$1"
+  local makefile="$2"
+
+  # check for autodoc target
+  local target="$(grep -E "^autodoc:" "${dir}/${makefile}" | sed -r "s/:.*$//")"
+
+  if [ -z "${target}" ]; then
+    logline_append "Running 'make'!"
+  else
+    logline_append "Making '${target}'!"
+  fi
+
+  # actually run "make" and save (truncated) output
+  local makelog="$(make --no-print-directory -C "${dir}" -f "${makefile}" -j ${target})"
+  logline_append "$(echo "${makelog}" | head -n 10 | sed 's/$/;/g' | tr '\n' ' ' | sed 's/ *$//')"
+
+  logline_append "Done."
+}
\ No newline at end of file