ADDED   build/docker/Dockerfile
Index: build/docker/Dockerfile
==================================================================
--- build/docker/Dockerfile
+++ build/docker/Dockerfile
@@ -0,0 +1,5 @@
+FROM scratch
+
+COPY init appfsd /bin/
+
+ENTRYPOINT ["/bin/init"]

ADDED   build/docker/init.c
Index: build/docker/init.c
==================================================================
--- build/docker/init.c
+++ build/docker/init.c
@@ -0,0 +1,79 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+int run(const char *path, ...) {
+	va_list ap;
+	char **argv;
+	int argvMax, argvIdx;
+	pid_t pid;
+	int pidstat;
+
+	pid = fork();
+	if (pid == ((pid_t) -1)) {
+		return(-1);
+	}
+	
+	if (pid != 0) {
+		waitpid(pid, &pidstat, 0);
+
+		return(pidstat);
+	}
+
+	argvMax = 32;
+	argv = malloc(sizeof(*argv) * argvMax);
+
+	va_start(ap, path);
+
+	for (argvIdx = 0; argvIdx < argvMax; argvIdx++) {
+		argv[argvIdx] = va_arg(ap, char *);
+		if (argv[argvIdx] == NULL) {
+			break;
+		}
+	}
+	
+	va_end(ap);
+
+	execv(path, argv);
+
+	exit(EXIT_FAILURE);
+}
+
+int main(int argc, char **argv) {
+	if (access("/dev/fuse", F_OK) != 0) {
+		fprintf(stderr, "This container needs to be run as:  docker run --cap-add SYS_ADMIN --device /dev/fuse ...\n");
+
+		return(1);
+	}
+
+	mkdir("/bin", 0755);
+	mkdir("/opt", 0755);
+	mkdir("/opt/appfs", 0755);
+	mkdir("/var", 0755);
+	mkdir("/var/cache", 0755);
+	mkdir("/var/cache/appfs", 0755);
+	run("/bin/appfsd", "appfsd", "/var/cache/appfs", "/opt/appfs", NULL);
+
+	symlink(".", "/usr");
+	symlink("/opt/appfs/core.appfs.rkeene.org/bash/platform/latest/bin/bash", "/bin/bash");
+	symlink("/opt/appfs/core.appfs.rkeene.org/coreutils/platform/latest/bin/env", "/bin/env");
+
+	symlink("/bin/bash", "/bin/sh");
+
+	setenv("PATH", "/bin:/opt/appfs/core.appfs.rkeene.org/coreutils/platform/latest/bin", 1);
+	run("/bin/appfs-install-pkg", "appfs-install-pkg", "core.appfs.rkeene.org", "coreutils", NULL);
+	setenv("PATH", "/bin", 1);
+
+	if (argc == 1) {
+		run("/bin/sh", "sh", NULL);
+	} else {
+		argv++;
+		execvp(argv[0], argv);
+	}
+
+	return(0);
+}