build(Makefile): remove parallelization option of services

Makefile

@@ -24,7 +24,6 @@ export CONTAINER_ATTACHED
 
 export SERVICE
 export SERVICE_VARIANT ?= $(SERVICE)
-export SERVICE_PARALLEL ?= false
 export JOB
 export CONTAINER_CMD
 export SET_CONTAINER_CMD
@@ -98,7 +97,6 @@ start:
 .PHONY: %-backend
 %-backend: SERVICE=backend
 %-backend: SERVICE_VARIANT=backend
-%-backend: SERVICE_PARALLEL=true
 %-backend: CONTAINER_CMD=localhost/fradrive/backend
 %-backend: BASE_PORTS = "DEV_PORT_HTTP=3000" "DEV_PORT_HTTPS=3443"
 
@@ -174,18 +172,12 @@ lint-%: --act ;
 --develop_%: PORTS = $(foreach PORT,$(BASE_PORTS),$(shell utils/next_free_port.pl $(PORT)))
 --develop_%: --ensure-develop
 	DEVELOP=develop/`cat develop/.current` ; \
-	if [[ "$(SERVICE_PARALLEL)" == "false" ]] ; then \
-	  CONTAINER_IDENT=$(CF_PREFIX)$(SERVICE_VARIANT) ; \
-	  if [[ -e $${DEVELOP}/$${CONTAINER_IDENT} ]]; then \
-	    >&2 echo "Another $* service is already running! Use \"make new-develop\" to start a new develop instance despite currently running services." ; \
-	    exit 1 ; \
-	  fi ; \
-	else \
-	  I=`ls $${DEVELOP} | grep '$(SERVICE_VARIANT)' | sed 's/$(SERVICE_VARIANT)-//' | sort -n | tail -n1` ; \
-	  J=$$(($${I}+1)) ; \
-	  CONTAINER_IDENT=$(CF_PREFIX)$(SERVICE_VARIANT)-$${J} ; \
-	fi ; \
+	CONTAINER_IDENT=$(CF_PREFIX)$(SERVICE_VARIANT) ; \
 	CONTAINER_FILE=$${DEVELOP}/$${CONTAINER_IDENT} ; \
+	if [[ -e $${CONTAINER_FILE} ]]; then \
+	  >&2 echo "Another $* service is already running! Use \"make new-develop\" to start a new develop instance despite currently running services." ; \
+	  exit 1 ; \
+	fi ; \
 	echo "$(PORTS)" | sed 's/ /\n/g' > $${CONTAINER_FILE} ; \
 	$(MAKE) -- --$* CONTAINER_FILE=$${CONTAINER_FILE} CONTAINER_IDENT=$${CONTAINER_IDENT}