diff --git a/microdroid/Android.bp b/microdroid/Android.bp
index 35a4156..0ef7a52 100644
--- a/microdroid/Android.bp
+++ b/microdroid/Android.bp
@@ -2,6 +2,13 @@
     default_applicable_licenses: ["Android-Apache-2.0"],
 }
 
+microdroid_shell_and_utilities = [
+    "reboot",
+    "sh",
+    "toolbox",
+    "toybox",
+]
+
 microdroid_rootdirs = [
     "dev",
     "proc",
@@ -38,13 +45,52 @@
     avb_algorithm: "SHA256_RSA4096",
     deps: [
         "init_second_stage",
-    ],
+        "microdroid_init_rc",
+        "libbinder",
+        "libstdc++",
+        "logcat",
+        "logd",
+        "run-as",
+        "secilc",
+        "adbd",
+        "apexd",
+        "debuggerd",
+        "linker",
+        "servicemanager",
+        "tombstoned",
+        "cgroups.json",
+
+        // These two files are temporary and only for test.
+        // TODO(b/178993690): migrate cil files to Soong
+        "microdroid_plat_sepolicy.cil",
+        "microdroid_plat_mapping_file",
+    ] + microdroid_shell_and_utilities,
+    multilib: {
+        common: {
+            deps: [
+                "com.android.runtime",
+                "plat_file_contexts",
+                "plat_hwservice_contexts",
+                "plat_property_contexts",
+                "plat_service_contexts",
+                "plat_keystore2_key_contexts",
+            ],
+        },
+    },
     base_dir: "system",
     dirs: microdroid_rootdirs,
     symlinks: microdroid_symlinks,
     file_contexts: "microdroid_file_contexts",
 }
 
+prebuilt_etc {
+    name: "microdroid_init_rc",
+    filename: "init.rc",
+    src: "init.rc",
+    relative_install_path: "init/hw",
+    installable: false, // avoid collision with system partition's init.rc
+}
+
 bootimg {
     name: "microdroid_vendor_boot-5.10",
     ramdisk_module: "microdroid_ramdisk-5.10",
diff --git a/microdroid/init.rc b/microdroid/init.rc
new file mode 100644
index 0000000..3ad22f8
--- /dev/null
+++ b/microdroid/init.rc
@@ -0,0 +1,172 @@
+# Copyright (C) 2021 The Android Open Source Project
+#
+# init.rc for microdroid. This contains a minimal script plus basic service definitions (e.g. apexd)
+# needed for microdroid to run.
+# TODO(b/179340780): support APEX init scripts
+#
+# IMPORTANT: Do not create world writable files or directories.
+# This is a common source of Android security bugs.
+#
+
+import /init.environ.rc
+
+# Cgroups are mounted right before early-init using list from /etc/cgroups.json
+on early-init
+    start ueventd
+
+    # Run apexd-bootstrap so that APEXes that provide critical libraries
+    # become available. Note that this is executed as exec_start to ensure that
+    # the libraries are available to the processes started after this statement.
+    exec_start apexd-bootstrap
+
+on init
+    # Mount binderfs
+    mkdir /dev/binderfs
+    mount binder binder /dev/binderfs stats=global
+    chmod 0755 /dev/binderfs
+
+    symlink /dev/binderfs/binder /dev/binder
+    symlink /dev/binderfs/hwbinder /dev/hwbinder
+    symlink /dev/binderfs/vndbinder /dev/vndbinder
+
+    chmod 0666 /dev/binderfs/hwbinder
+    chmod 0666 /dev/binderfs/binder
+    chmod 0666 /dev/binderfs/vndbinder
+
+    # Start logd before any other services run to ensure we capture all of their logs.
+    start logd
+
+    start servicemanager
+
+on load_persist_props_action
+    start logd
+    start logd-reinit
+
+# Mount filesystems and start core system services.
+on late-init
+    trigger early-fs
+
+    # Mount fstab in init.{$device}.rc by mount_all command. Optional parameter
+    # '--early' can be specified to skip entries with 'latemount'.
+    # /system and /vendor must be mounted by the end of the fs stage,
+    # while /data is optional.
+    trigger fs
+    trigger post-fs
+
+    # Mount fstab in init.{$device}.rc by mount_all with '--late' parameter
+    # to only mount entries with 'latemount'. This is needed if '--early' is
+    # specified in the previous mount_all command on the fs stage.
+    # With /system mounted and properties form /system + /factory available,
+    # some services can be started.
+    trigger late-fs
+
+    # Load persist properties and override properties (if enabled) from /data.
+    trigger load_persist_props_action
+
+    # Should be before netd, but after apex, properties and logging is available.
+    trigger load_bpf_programs
+
+    # Now we can start zygote for devices with file based encryption
+    trigger zygote-start
+
+    # Remove a file to wake up anything waiting for firmware.
+    trigger firmware_mounts_complete
+
+    trigger early-boot
+    trigger boot
+
+on post-fs
+    # Once everything is setup, no need to modify /.
+    # The bind+remount combination allows this to work in containers.
+    mount rootfs rootfs / remount bind ro nodev
+
+    # Currently, exec_start apexd-bootstrap is enough to run adb.
+    # TODO(b/179342589): uncomment after turning off APEX session on microdroid
+    # start apexd
+    # Wait for apexd to finish activating APEXes before starting more processes.
+    # wait_for_prop apexd.status activated
+
+    start adbd
+
+service ueventd /system/bin/ueventd
+    class core
+    critical
+    seclabel u:r:ueventd:s0
+    shutdown critical
+
+service console /system/bin/sh
+    class core
+    console
+    disabled
+    user shell
+    group shell log readproc
+    seclabel u:r:shell:s0
+    setenv HOSTNAME console
+
+service servicemanager /system/bin/servicemanager
+    class core animation
+    user system
+    group system readproc
+    critical
+    # TODO(b/179342589): uncomment after turning off APEX session on microdroid
+    # onrestart restart apexd
+    onrestart class_restart main
+    shutdown critical
+
+service logd /system/bin/logd
+    socket logd stream 0666 logd logd
+    socket logdr seqpacket 0666 logd logd
+    socket logdw dgram+passcred 0222 logd logd
+    file /proc/kmsg r
+    file /dev/kmsg w
+    user logd
+    group logd system package_info readproc
+    capabilities SYSLOG AUDIT_CONTROL
+    priority 10
+
+service logd-reinit /system/bin/logd --reinit
+    oneshot
+    disabled
+    user logd
+    group logd
+
+# Limit SELinux denial generation to 5/second
+service logd-auditctl /system/bin/auditctl -r 5
+    oneshot
+    disabled
+    user logd
+    group logd
+    capabilities AUDIT_CONTROL
+
+on fs
+    write /dev/event-log-tags "# content owned by logd
+"
+    chown logd logd /dev/event-log-tags
+    chmod 0644 /dev/event-log-tags
+
+on property:sys.boot_completed=1
+    start logd-auditctl
+
+service adbd /system/bin/adbd --root_seclabel=u:r:su:s0
+    class core
+    socket adbd seqpacket 660 system system
+    disabled
+    seclabel u:r:adbd:s0
+
+#TODO(b/179342589): uncomment after turning off APEX session on microdroid
+#service apexd /system/bin/apexd
+#    interface aidl apexservice
+#    class core
+#    user root
+#    group system
+#    oneshot
+#    disabled # does not start with the core class
+#    reboot_on_failure reboot,apexd-failed
+
+service apexd-bootstrap /system/bin/apexd --bootstrap
+    user root
+    group system
+    oneshot
+    disabled
+    reboot_on_failure reboot,bootloader,bootstrap-apexd-failed
+