diff --git a/environment.yaml b/environment.yaml
new file mode 100644
index 0000000..cb2d659
--- /dev/null
+++ b/environment.yaml
@@ -0,0 +1,16 @@
+name: monopogen
+channels:
+  - bioconda
+  - conda-forge
+dependencies:
+  - python>=3.10
+  - picard
+  - beagle=4.1
+  - samtools
+  - pysam
+  - bcftools
+  - tabix
+  - vcftools
+  - pandas
+  - numpy
+  - gzip
diff --git a/src/Monopogen.py b/src/Monopogen.py
index 3ad8e7b..64eaf9a 100644
--- a/src/Monopogen.py
+++ b/src/Monopogen.py
@@ -24,25 +24,15 @@
 from multiprocessing import Pool
 
 
-LIB_PATH = os.path.abspath(
-	os.path.join(os.path.dirname(os.path.realpath(__file__)), "pipelines/lib"))
-
-if LIB_PATH not in sys.path:
-	sys.path.insert(0, LIB_PATH)
-
 PIPELINE_BASEDIR = os.path.dirname(os.path.realpath(sys.argv[0]))
 CFG_DIR = os.path.join(PIPELINE_BASEDIR, "cfg")
 
-#import pipelines
-#from pipelines import get_cluster_cfgfile
-#from pipelines import PipelineHandler
-
 # global logger
 logger = logging.getLogger(__name__)
 logger.setLevel(logging.DEBUG)
 handler = logging.StreamHandler()
 handler.setFormatter(logging.Formatter(
-	'[{asctime}] {levelname:8s} {filename} {message}', style='{'))
+    '[{asctime}] {levelname:8s} {filename} {message}', style='{'))
 logger.addHandler(handler)
 
 
@@ -94,13 +84,13 @@ def germline(args):
 
              
 			imputation_vcf = args.imputation_panel + "CCDG_14151_B01_GRM_WGS_2020-08-05_" + record[0] + ".filtered.shapeit2-duohmm-phased.vcf.gz"
-			cmd1 = samtools + " mpileup -b" + bam_filter + " -f "  + args.reference  + " -r " +  jobid + " -q 20 -Q 20  --incl-flags 0 --excl-flags 0 -t DP -d 10000000 -v "
-			cmd1 = cmd1 + " | " + bcftools + " view " + " | " + bcftools +  ' filter -e \'REF !~ "^[ATGC]$"\'  | '  + bcftools  + " norm -m-both -f " + args.reference 
-			cmd1 = cmd1 + " | grep -v \"<X>\" | " + bgzip +   " -c > " + args.out + "/germline/" +  jobid + ".gl.vcf.gz" 
+			cmd1 = f"{bcftools} mpileup -b {bam_filter} -f {args.reference} -r {jobid} -q 20 -Q 20 --annotate FORMAT/DP -d 10000000 | {bcftools} call -mv -Oz -o {args.out}/germline/{jobid}.gl.vcf.gz"
+			#cmd1 = cmd1 + " | " + bcftools + " view " + " | " + bcftools +  ' filter -e \'REF !~ "^[ATGC]$"\'  | '  + bcftools  + " norm -m-both -f " + args.reference 
+			#cmd1 = cmd1 + " | grep -v \"<X>\" | " + bgzip +   " -c > " + args.out + "/germline/" +  jobid + ".gl.vcf.gz" 
 			#cmd2 = bcftools + " view " +  out + "/germline/" +  jobid + ".gl.vcf.gz" + " -i 'FORMAT/DP>1' | " + bcftools + " call -cv  | " + bgzip +    "  -c > " +  args.out + "/SCvarCall/"  +  jobid + ".gt.vcf.gz"
-			cmd3 = java + " -Xmx20g -jar " + beagle +  " gl=" +  out + "/germline/" +  jobid + ".gl.vcf.gz"  +  " ref=" +  imputation_vcf   + "  chrom=" + record[0] + " out="   +  out + "/germline/" + jobid + ".gp " + "impute=false  modelscale=2  nthreads=24  gprobs=true  niterations=0"
+			cmd3 = beagle +  " gl=" +  out + "/germline/" +  jobid + ".gl.vcf.gz"  +  " ref=" +  imputation_vcf   + "  chrom=" + record[0] + " out="   +  out + "/germline/" + jobid + ".gp " + "impute=false  modelscale=2  nthreads=24  gprobs=true  niterations=0"
 			
-			cmd5 = java + " -Xmx20g -jar " + beagle +  " gt=" +  out + "/germline/" +  jobid + ".germline.vcf"  +  " ref=" +  imputation_vcf    +  "  chrom=" + record[0]  + " out="   +  out + "/germline/" + jobid+ ".phased " + "impute=false  modelscale=2  nthreads=24  gprobs=true  niterations=0"
+			cmd5 = beagle +  " gt=" +  out + "/germline/" +  jobid + ".germline.vcf"  +  " ref=" +  imputation_vcf    +  "  chrom=" + record[0]  + " out="   +  out + "/germline/" + jobid+ ".phased " + "impute=false  modelscale=2  nthreads=24  gprobs=true  niterations=0"
 			cmd5 = cmd5 + "\n" + "rm " +  out + "/germline/" +  jobid + ".germline.vcf" 
 			f_out = open(out + "/Script/runGermline_" +  jobid +  ".sh","w")
 			if args.step == "varScan" or args.step == "all":
@@ -124,12 +114,18 @@ def germline(args):
 
 	if not args.norun == "TRUE":
 		with Pool(processes=args.nthreads) as pool:
-			print(joblst)
+			logger.info("Starting germline jobs...")
 			result = pool.map(runCMD, joblst)
-	#error_check(all = region_lst, output = result, step = "germline module")
-
-
-
+		# Check for errors in the results
+		failed_jobs = [job for job, status in zip(joblst, result) if status != 0]
+		if failed_jobs:
+			logger.error("The following jobs failed:")
+			for job in failed_jobs:
+				logger.error(job, status)
+			logger.error("Pipeline failed due to job errors. See logs for details.")
+			exit(1)
+		else:
+			logger.info("All germline jobs completed successfully.")
 
 def somatic(args):
 	
@@ -229,6 +225,10 @@ def preProcess(args):
 		bamlist.close()
 		
 
+def runCMD(cmd):
+    result = subprocess.run(cmd, shell=True)
+    return result.returncode
+
 def main():
 	parser = argparse.ArgumentParser(
 		description="""Monopogen: SNV calling from single cell sequencing
@@ -323,11 +323,11 @@ def main():
 
 	global out, samtools, bcftools, bgzip, java, beagle 
 	out = os.path.abspath(args.out)
-	samtools  = os.path.abspath(args.app_path) + "/samtools" 
-	bcftools = os.path.abspath(args.app_path) + "/bcftools"
-	bgzip = os.path.abspath(args.app_path) + "/bgzip"
+	samtools  = "samtools" 
+	bcftools = "bcftools"
+	bgzip = "bgzip"
 	java =  "java"
-	beagle = os.path.abspath(args.app_path) + "/beagle.27Jul16.86a.jar"
+	beagle = "beagle"
 
 
 	args.func(args)
diff --git a/src/bamProcess.py b/src/bamProcess.py
index d6c3e9f..9855dd7 100644
--- a/src/bamProcess.py
+++ b/src/bamProcess.py
@@ -16,11 +16,11 @@
 import pandas as pd
 from pysam import VariantFile
 
-LIB_PATH = os.path.abspath(
-	os.path.join(os.path.dirname(os.path.realpath(__file__)), "pipelines/lib"))
+# LIB_PATH = os.path.abspath(
+# 	os.path.join(os.path.dirname(os.path.realpath(__file__)), "pipelines/lib"))
 
-if LIB_PATH not in sys.path:
-	sys.path.insert(0, LIB_PATH)
+# if LIB_PATH not in sys.path:
+# 	sys.path.insert(0, LIB_PATH)
 
 PIPELINE_BASEDIR = os.path.dirname(os.path.realpath(sys.argv[0]))
 CFG_DIR = os.path.join(PIPELINE_BASEDIR, "cfg")
diff --git a/src/germline.py b/src/germline.py
index 847fc0a..2212f28 100644
--- a/src/germline.py
+++ b/src/germline.py
@@ -108,11 +108,11 @@ def validate_user_setting_germline(args):
 
 
 def check_dependencies(args):
-	programs_to_check = ("vcftools", "bgzip",  "bcftools", "beagle.27Jul16.86a.jar","samtools","picard.jar", "java")
+    programs_to_check = ("vcftools", "bgzip", "bcftools", "samtools", "java", "beagle", "picard")
 
-	for prog in programs_to_check:
-		out = os.popen("command -v {}".format(args.app_path + "/" + prog)).read()
-		assert out != "", "Program {} cannot be found!".format(prog)
+    for prog in programs_to_check:
+        out = os.popen(f"command -v {prog}").read().strip()
+        assert out != "", f"Program {prog} cannot be found! Ensure it is installed and available in the PATH."
 
 #	python_pkgs_to_check = ("drmaa",)
 
diff --git a/test/bam.lst b/test/bam.lst
index f63da1c..2bf3ace 100644
--- a/test/bam.lst
+++ b/test/bam.lst
@@ -1,2 +1,2 @@
-ID1,/rsrch3/scratch/bcb/jdou1/scAncestry/Monopogen/example/A.bam
-ID2,/rsrch3/scratch/bcb/jdou1/scAncestry/Monopogen/example/B.bam
+ID1,example/A.bam
+ID2,example/B.bam
diff --git a/test/runGermline.sh b/test/runGermline.sh
index 20c4b08..ce3774e 100644
--- a/test/runGermline.sh
+++ b/test/runGermline.sh
@@ -1,14 +1,14 @@
-path="/rsrch3/scratch/bcb/jdou1/scAncestry/Monopogen"
-export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${path}/apps
+path="$(cd "$(dirname "${BASH_SOURCE[0]}")/../" && pwd)"
+# export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${path}/apps
 
 
 python  ${path}/src/Monopogen.py  preProcess -b bam.lst -o out  -a ${path}/apps -t 8
 
 
 python  ${path}/src/Monopogen.py  germline  \
-    -a   ${path}/apps -t 8   -r  region.lst \
-    -p  ../example/ \
-    -g  ../example/chr20_2Mb.hg38.fa   -m 3 -s all  -o out
+    -a  ${path}/apps -t 8   -r  ${path}/test/region.lst \
+    -p  ${path}/example/ \
+    -g  ${path}/example/chr20_2Mb.hg38.fa   -m 3 -s all  -o out
 
 
      
diff --git a/test/runPreprocess.sh b/test/runPreprocess.sh
index ec4e408..9bbcf30 100644
--- a/test/runPreprocess.sh
+++ b/test/runPreprocess.sh
@@ -1,9 +1,4 @@
-path="/rsrch3/scratch/bcb/jdou1/scAncestry/Monopogen"
-export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${path}/apps
+path="$(cd "$(dirname "${BASH_SOURCE[0]}")/../" && pwd)"
+# export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${path}/apps
 
-
-python  ${path}/src/Monopogen.py  preProcess -b bam.lst -o out  -a ${path}/apps -t 8
-
-
-
-     
+python  ${path}/src/Monopogen.py  preProcess -b ${path}/test/bam.lst -o out  -a ${path}/apps -t 8
diff --git a/test/runSomatic.sh b/test/runSomatic.sh
index f276c26..90759f8 100644
--- a/test/runSomatic.sh
+++ b/test/runSomatic.sh
@@ -12,37 +12,32 @@
 
 
 
-path="/rsrch3/scratch/bcb/jdou1/scAncestry/Monopogen_v1.5"
-export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${path}/apps
+path="$(cd "$(dirname "${BASH_SOURCE[0]}")/../" && pwd)"
 
- python  ${path}/src/Monopogen.py  preProcess -b bam.somatic.lst -o somatic  -a ${path}/apps -t 8
-
-python  ${path}/src/Monopogen.py  germline  \
-    -a   ${path}/apps -t 8   -r  region.lst \
-    -p  ../example/ \
-    -g  ../example/chr20_2Mb.hg38.fa   -m 3 -s all  -o somatic
+# python  ${path}/src/Monopogen.py  preProcess -b bam.somatic.lst -o somatic  -a ${path}/apps -t 8
 
+# python  ${path}/src/Monopogen.py  germline  \
+#     -a  ${path}/apps -t 8   -r  ${path}/test/region.lst \
+#     -p  ${path}/example/ \
+#     -g  ${path}/example/chr20_2Mb.hg38.fa   -m 3 -s all  -o out
 
 
 python  ${path}/src/Monopogen.py  somatic  \
-    -a   ${path}/apps  -r  region.lst  -t 22 \
-    -i somatic  -l test.csv  -s featureInfo    \
-    -g  ../example/chr20_2Mb.hg38.fa   
-
-
+    -a  ${path}/apps  -r  ${path}/test/region.lst  -t 22 \
+    -i  out  -l ${path}/test.csv  -s featureInfo    \
+    -g  ${path}/example/chr20_2Mb.hg38.fa   
 
 
 python  ${path}/src/Monopogen.py  somatic  \
-    -a   ${path}/apps  -r  region.lst  -t 22 \
-    -i   somatic  -l test.csv  -s cellScan    \
-    -g  ../example/chr20_2Mb.hg38.fa
+    -a  ${path}/apps  -r  ${path}/test/region.lst  -t 22 \
+    -i  out  -l ${path}/test.csv  -s cellScan    \
+    -g  ${path}/example/chr20_2Mb.hg38.fa
 
 
 ####### Not work due to fewer marker size 
 
 module load R 
 python  ${path}/src/Monopogen.py  somatic  \
-    -a   ${path}/apps  -r  region.lst  -t 22 \
-    -i   somatic  -l test.csv  -s LDrefinement   \
-    -g  ../example/chr20_2Mb.hg38.fa
-
+    -a  ${path}/apps  -r  ${path}/test/region.lst  -t 22 \
+    -i  out  -l ${path}/test.csv  -s LDrefinement   \
+    -g  ${path}/example/chr20_2Mb.hg38.fa