Feat: dockerfile to test bopytex in new environment

bopytex/worker/join_pdf.py

@@ -2,17 +2,32 @@ import subprocess
 
 from bopytex.message import Message, SubprocessMessage
 
+
 def pdfjam(args: dict, deps, output):
     joining_process = subprocess.Popen(
-        ["pdfjam"] +  deps + ["-o", output],
+        ["pdfjam"] + deps + ["-o", output],
         stdout=subprocess.PIPE,
         stderr=subprocess.PIPE,
         universal_newlines=True,
     )
-    #return SubprocessMessage(joining_process)
     return Message(
         joining_process.wait(),
         list(joining_process.stdout),
         list(joining_process.stderr),
-        )
+    )
 
+
+def gs(args: dict, deps, output):
+    """ Not working. The command works in terminal but not here """
+    joining_process = subprocess.Popen(
+        ["gs", f"-dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile={output}"]
+        + deps,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        universal_newlines=True,
+    )
+    return Message(
+        joining_process.wait(),
+        list(joining_process.stdout),
+        list(joining_process.stderr),
+    )