diff --git a/core/admin/Dockerfile b/core/admin/Dockerfile
index 4f887ff2..40f9ff59 100644
--- a/core/admin/Dockerfile
+++ b/core/admin/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine:3.8
 # python3 shared with most images
 RUN apk add --no-cache \
-    python3 py3-pip git \
+    python3 py3-pip git bash \
   && pip3 install --upgrade pip
 RUN pip3 install git+https://github.com/usrpro/MailuStart.git#egg=mailustart
 # Image specific layers under this line
diff --git a/core/dovecot/Dockerfile b/core/dovecot/Dockerfile
index 02c9e49d..94432564 100644
--- a/core/dovecot/Dockerfile
+++ b/core/dovecot/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine:3.8
 # python3 shared with most images
 RUN apk add --no-cache \
-    python3 py3-pip git \
+    python3 py3-pip git bash \
   && pip3 install --upgrade pip
 # Shared layer between rspamd, postfix, dovecot, unbound and nginx
 RUN pip3 install git+https://github.com/usrpro/MailuStart.git#egg=mailustart
diff --git a/core/nginx/Dockerfile b/core/nginx/Dockerfile
index 9bc4c745..0156cccf 100644
--- a/core/nginx/Dockerfile
+++ b/core/nginx/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine:3.8
 # python3 shared with most images
 RUN apk add --no-cache \
-    python3 py3-pip git \
+    python3 py3-pip git bash \
   && pip3 install --upgrade pip
 # Shared layer between rspamd, postfix, dovecot, unbound and nginx
 RUN pip3 install git+https://github.com/usrpro/MailuStart.git#egg=mailustart
diff --git a/core/postfix/Dockerfile b/core/postfix/Dockerfile
index 4b6c4aee..3eff5218 100644
--- a/core/postfix/Dockerfile
+++ b/core/postfix/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine:3.8
 # python3 shared with most images
 RUN apk add --no-cache \
-    python3 py3-pip git \
+    python3 py3-pip git bash \
   && pip3 install --upgrade pip
 # Shared layer between rspamd, postfix, dovecot, unbound and nginx
 RUN pip3 install git+https://github.com/usrpro/MailuStart.git#egg=mailustart
diff --git a/optional/clamav/Dockerfile b/optional/clamav/Dockerfile
index a4a889c7..27254544 100644
--- a/optional/clamav/Dockerfile
+++ b/optional/clamav/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine:3.8
 # python3 shared with most images
 RUN apk add --no-cache \
-    python3 py3-pip \
+    python3 py3-pip bash \
   && pip3 install --upgrade pip
 # Image specific layers under this line
 RUN apk add --no-cache clamav rsyslog wget clamav-libunrar
diff --git a/optional/postgresql/Dockerfile b/optional/postgresql/Dockerfile
index 22409597..b03ff2d1 100644
--- a/optional/postgresql/Dockerfile
+++ b/optional/postgresql/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine:3.8
 # python3 shared with most images
 RUN apk add --no-cache \
-    python3 py3-pip \
+    python3 py3-pip bash \
   && pip3 install --upgrade pip
 # Shared layer between rspamd, postfix, dovecot, unbound and nginx
 RUN pip3 install jinja2
diff --git a/optional/radicale/Dockerfile b/optional/radicale/Dockerfile
index 4616d53d..de63daec 100644
--- a/optional/radicale/Dockerfile
+++ b/optional/radicale/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine:edge
 
 RUN echo "@testing http://nl.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories \
- && apk add --no-cache radicale@testing py-dulwich@testing curl
+ && apk add --no-cache radicale@testing py-dulwich@testing curl bash
 
 COPY radicale.conf /radicale.conf
 
diff --git a/services/fetchmail/Dockerfile b/services/fetchmail/Dockerfile
index 52f794d5..8e4d5db0 100644
--- a/services/fetchmail/Dockerfile
+++ b/services/fetchmail/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine:3.8
 # python3 shared with most images
 RUN apk add --no-cache \
-    python3 py3-pip \
+    python3 py3-pip bash \
   && pip3 install --upgrade pip
 # Image specific layers under this line
 RUN apk add --no-cache fetchmail ca-certificates \
diff --git a/services/rspamd/Dockerfile b/services/rspamd/Dockerfile
index 32e93fac..70e6286d 100644
--- a/services/rspamd/Dockerfile
+++ b/services/rspamd/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine:3.8
 # python3 shared with most images
 RUN apk add --no-cache \
-    python3 py3-pip git \
+    python3 py3-pip git bash \
   && pip3 install --upgrade pip
 # Shared layer between rspamd, postfix, dovecot, unbound and nginx
 RUN pip3 install git+https://github.com/usrpro/MailuStart.git#egg=mailustart
diff --git a/services/unbound/Dockerfile b/services/unbound/Dockerfile
index 9d40b691..325584fd 100644
--- a/services/unbound/Dockerfile
+++ b/services/unbound/Dockerfile
@@ -1,7 +1,7 @@
 FROM alpine:3.8
 # python3 shared with most images
 RUN apk add --no-cache \
-    python3 py3-pip git \
+    python3 py3-pip git bash \
   && pip3 install --upgrade pip
 # Shared layer between rspamd, postfix, dovecot, unbound and nginx
 RUN pip3 install git+https://github.com/usrpro/MailuStart.git#egg=mailustart