diff --git a/docker/Dockerfile.linux.amd64 b/docker/Dockerfile.linux.amd64
index af4bfde..d90fa68 100644
--- a/docker/Dockerfile.linux.amd64
+++ b/docker/Dockerfile.linux.amd64
@@ -1,5 +1,31 @@
 FROM alpine:3.12
 RUN apk add --no-cache ca-certificates git git-lfs openssh curl perl
 
+ENV GLIBC_VER=2.31-r0
+RUN apk --no-cache add \
+        binutils \
+        curl \
+    && curl -sL https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub -o /etc/apk/keys/sgerrand.rsa.pub \
+    && curl -sLO https://github.com/sgerrand/alpine-pkg-glibc/releases/download/${GLIBC_VER}/glibc-${GLIBC_VER}.apk \
+    && curl -sLO https://github.com/sgerrand/alpine-pkg-glibc/releases/download/${GLIBC_VER}/glibc-bin-${GLIBC_VER}.apk \
+    && apk add --no-cache \
+        glibc-${GLIBC_VER}.apk \
+        glibc-bin-${GLIBC_VER}.apk \
+    && curl -sL https://awscli.amazonaws.com/awscli-exe-linux-x86_64-2.1.24.zip -o awscliv2.zip \
+    && unzip awscliv2.zip \
+    && aws/install \
+    && rm -rf \
+        awscliv2.zip \
+        aws \
+        /usr/local/aws-cli/v2/*/dist/aws_completer \
+        /usr/local/aws-cli/v2/*/dist/awscli/data/ac.index \
+        /usr/local/aws-cli/v2/*/dist/awscli/examples \
+    && apk --no-cache del \
+        binutils \
+        curl \
+    && rm glibc-${GLIBC_VER}.apk \
+    && rm glibc-bin-${GLIBC_VER}.apk \
+    && rm -rf /var/cache/apk/*
+
 ADD posix/* /usr/local/bin/
 ENTRYPOINT ["/usr/local/bin/clone"]
diff --git a/posix/clone b/posix/clone
index c197f73..3dc7c27 100755
--- a/posix/clone
+++ b/posix/clone
@@ -29,6 +29,18 @@ if [[ ! -z "${DRONE_SSH_KEY}" ]]; then
 	ssh-keyscan -H ${DRONE_NETRC_MACHINE} > /etc/ssh/ssh_known_hosts 2> /dev/null
 fi
 
+# AWS codecommit support using AWS access key & secret key
+# Refer: https://docs.aws.amazon.com/codecommit/latest/userguide/setting-up-https-unixes.html
+
+if [[ ! -z "$DRONE_AWS_ACCESS_KEY" ]]; then
+	aws configure set aws_access_key_id $DRONE_AWS_ACCESS_KEY
+	aws configure set aws_secret_access_key $DRONE_AWS_SECRET_KEY
+	aws configure set default.region $DRONE_AWS_REGION
+
+	git config --global credential.helper '!aws codecommit credential-helper $@'
+	git config --global credential.UseHttpPath true
+fi
+
 # configure git global behavior and parameters via the
 # following environment variables:
 
diff --git a/posix/posix_test.go b/posix/posix_test.go
index 337419c..a70f214 100644
--- a/posix/posix_test.go
+++ b/posix/posix_test.go
@@ -166,7 +166,7 @@ func TestPullRequest(t *testing.T) {
 	cmd.Dir = local
 	cmd.Env = []string{
 		fmt.Sprintf("DRONE_COMMIT_REF=%s", "refs/pull/14596/head"),
-		fmt.Sprintf("DRONE_COMMIT_BRANCH=%s", "master"),
+		fmt.Sprintf("DRONE_COMMIT_BRANCH=%s", "main"),
 		fmt.Sprintf("DRONE_COMMIT_SHA=%s", "26923a8f37933ccc23943de0d4ebd53908268582"),
 		fmt.Sprintf("DRONE_WORKSPACE=%s", local),
 		fmt.Sprintf("DRONE_REMOTE_URL=%s", remote),
@@ -195,7 +195,7 @@ func TestPullRequest(t *testing.T) {
 		t.Errorf("Want commit %s, got %s", want, got)
 	}
 
-	if want, got := "master", branch; got != want {
+	if want, got := "main", branch; got != want {
 		t.Errorf("Want branch %s, got %s", want, got)
 	}