diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7ecb9fa..6e3f9a6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -61,6 +61,7 @@ jobs:
           - fedora:37
           - fedora:36
           - opensuse/leap:15
+          - alpine:3.17
 
     container:
       image: ${{ matrix.container }}
diff --git a/.github/workflows/linux-ci-helper.sh b/.github/workflows/linux-ci-helper.sh
index df27d75..19ffc18 100755
--- a/.github/workflows/linux-ci-helper.sh
+++ b/.github/workflows/linux-ci-helper.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 #
 # s3fs - FUSE-based file system backed by Amazon S3
 #
@@ -19,9 +19,17 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 #
 
+# [NOTE]
+# Since bash is not present in some Runner containers, this script
+# runs in sh.
+# pipefail etc. are not native variables of sh. It exists in bash's
+# sh compatibility mode, but doesn't work in sh compatibility mode
+# of ash such as alpine.
+# However, it's not fatal that pipefail doesn't work for this script.
+#
 set -o errexit
 set -o nounset
-set -o pipefail
+#set -o pipefail
 
 #-----------------------------------------------------------
 # Common variables
@@ -70,10 +78,12 @@ CONFIGURE_OPTIONS="CXXFLAGS='-O -std=c++03 -DS3FS_PTHREAD_ERRORCHECK=1' --prefix
 PACKAGE_ENABLE_REPO_OPTIONS=""
 PACKAGE_INSTALL_ADDITIONAL_OPTIONS=""
 SHELLCHECK_DIRECT_INSTALL=0
+AWSCLI_DIRECT_INSTALL=1
 
 if [ "${CONTAINER_FULLNAME}" = "ubuntu:22.04" ]; then
     PACKAGE_MANAGER_BIN="apt-get"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
+    PACKAGE_INSTALL_OPTIONS="install -y"
 
     INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl python3-pip unzip"
     INSTALL_CHECKER_PKGS="cppcheck shellcheck"
@@ -82,6 +92,7 @@ if [ "${CONTAINER_FULLNAME}" = "ubuntu:22.04" ]; then
 elif [ "${CONTAINER_FULLNAME}" = "ubuntu:20.04" ]; then
     PACKAGE_MANAGER_BIN="apt-get"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
+    PACKAGE_INSTALL_OPTIONS="install -y"
 
     INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl python3-pip unzip"
     INSTALL_CHECKER_PKGS="cppcheck shellcheck"
@@ -90,6 +101,7 @@ elif [ "${CONTAINER_FULLNAME}" = "ubuntu:20.04" ]; then
 elif [ "${CONTAINER_FULLNAME}" = "ubuntu:18.04" ]; then
     PACKAGE_MANAGER_BIN="apt-get"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
+    PACKAGE_INSTALL_OPTIONS="install -y"
 
     INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl python3-pip unzip"
     INSTALL_CHECKER_PKGS="cppcheck shellcheck"
@@ -98,6 +110,7 @@ elif [ "${CONTAINER_FULLNAME}" = "ubuntu:18.04" ]; then
 elif [ "${CONTAINER_FULLNAME}" = "ubuntu:16.04" ]; then
     PACKAGE_MANAGER_BIN="apt-get"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
+    PACKAGE_INSTALL_OPTIONS="install -y"
 
     INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl python3-pip unzip"
     INSTALL_CHECKER_PKGS="cppcheck shellcheck"
@@ -106,6 +119,7 @@ elif [ "${CONTAINER_FULLNAME}" = "ubuntu:16.04" ]; then
 elif [ "${CONTAINER_FULLNAME}" = "debian:bullseye" ]; then
     PACKAGE_MANAGER_BIN="apt-get"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
+    PACKAGE_INSTALL_OPTIONS="install -y"
 
     INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl procps python3-pip unzip"
     INSTALL_CHECKER_PKGS="cppcheck shellcheck"
@@ -114,6 +128,7 @@ elif [ "${CONTAINER_FULLNAME}" = "debian:bullseye" ]; then
 elif [ "${CONTAINER_FULLNAME}" = "debian:buster" ]; then
     PACKAGE_MANAGER_BIN="apt-get"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
+    PACKAGE_INSTALL_OPTIONS="install -y"
 
     INSTALL_PACKAGES="autoconf autotools-dev default-jre-headless fuse libfuse-dev libcurl4-openssl-dev libxml2-dev locales-all mime-support libtool pkg-config libssl-dev attr curl procps python3-pip unzip"
     INSTALL_CHECKER_PKGS="cppcheck shellcheck"
@@ -122,6 +137,7 @@ elif [ "${CONTAINER_FULLNAME}" = "debian:buster" ]; then
 elif [ "${CONTAINER_FULLNAME}" = "rockylinux:9" ]; then
     PACKAGE_MANAGER_BIN="dnf"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
+    PACKAGE_INSTALL_OPTIONS="install -y"
     PACKAGE_ENABLE_REPO_OPTIONS="--enablerepo=crb"
 
     # [NOTE]
@@ -142,6 +158,7 @@ elif [ "${CONTAINER_FULLNAME}" = "rockylinux:9" ]; then
 elif [ "${CONTAINER_FULLNAME}" = "rockylinux:8" ]; then
     PACKAGE_MANAGER_BIN="dnf"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
+    PACKAGE_INSTALL_OPTIONS="install -y"
 
     INSTALL_PACKAGES="curl-devel fuse fuse-devel gcc libstdc++-devel gcc-c++ glibc-langpack-en java-11-openjdk-headless libxml2-devel mailcap git automake make openssl-devel attr diffutils curl python3 unzip"
     INSTALL_CHECKER_PKGS="cppcheck"
@@ -155,6 +172,7 @@ elif [ "${CONTAINER_FULLNAME}" = "rockylinux:8" ]; then
 elif [ "${CONTAINER_FULLNAME}" = "centos:centos7" ]; then
     PACKAGE_MANAGER_BIN="yum"
     PACKAGE_UPDATE_OPTIONS="update -y"
+    PACKAGE_INSTALL_OPTIONS="install -y"
 
     # [NOTE]
     # ShellCheck version(0.3.8) is too low to check.
@@ -168,6 +186,7 @@ elif [ "${CONTAINER_FULLNAME}" = "centos:centos7" ]; then
 elif [ "${CONTAINER_FULLNAME}" = "fedora:37" ]; then
     PACKAGE_MANAGER_BIN="dnf"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
+    PACKAGE_INSTALL_OPTIONS="install -y"
 
     # TODO: Cannot use java-latest-openjdk (17) due to modules issue in S3Proxy/jclouds/Guice
     INSTALL_PACKAGES="curl-devel fuse fuse-devel gcc libstdc++-devel gcc-c++ glibc-langpack-en java-11-openjdk-headless libxml2-devel mailcap git automake make openssl-devel curl attr diffutils procps python3-pip unzip"
@@ -177,6 +196,7 @@ elif [ "${CONTAINER_FULLNAME}" = "fedora:37" ]; then
 elif [ "${CONTAINER_FULLNAME}" = "fedora:36" ]; then
     PACKAGE_MANAGER_BIN="dnf"
     PACKAGE_UPDATE_OPTIONS="update -y -qq"
+    PACKAGE_INSTALL_OPTIONS="install -y"
 
     # TODO: Cannot use java-latest-openjdk (17) due to modules issue in S3Proxy/jclouds/Guice
     INSTALL_PACKAGES="curl-devel fuse fuse-devel gcc libstdc++-devel gcc-c++ glibc-langpack-en java-11-openjdk-headless libxml2-devel mailcap git automake make openssl-devel curl attr diffutils procps python3-pip unzip"
@@ -186,11 +206,23 @@ elif [ "${CONTAINER_FULLNAME}" = "fedora:36" ]; then
 elif [ "${CONTAINER_FULLNAME}" = "opensuse/leap:15" ]; then
     PACKAGE_MANAGER_BIN="zypper"
     PACKAGE_UPDATE_OPTIONS="refresh"
+    PACKAGE_INSTALL_OPTIONS="install -y"
 
     INSTALL_PACKAGES="automake curl-devel fuse fuse-devel gcc-c++ java-11-openjdk-headless libxml2-devel make openssl-devel python3-pip curl attr ShellCheck unzip"
     INSTALL_CHECKER_PKGS="cppcheck ShellCheck"
     INSTALL_CHECKER_PKG_OPTIONS=""
 
+elif [ "${CONTAINER_FULLNAME}" = "alpine:3.17" ]; then
+    PACKAGE_MANAGER_BIN="apk"
+    PACKAGE_UPDATE_OPTIONS="update --no-progress"
+    PACKAGE_INSTALL_OPTIONS="add --no-progress --no-cache"
+
+    INSTALL_PACKAGES="bash curl g++ make automake autoconf libtool git curl-dev fuse-dev libxml2-dev coreutils procps attr sed mailcap openjdk11 aws-cli"
+    INSTALL_CHECKER_PKGS="cppcheck shellcheck"
+    INSTALL_CHECKER_PKG_OPTIONS=""
+
+    AWSCLI_DIRECT_INSTALL=0
+
 else
     echo "No container configured for: ${CONTAINER_FULLNAME}"
     exit 1
@@ -209,10 +241,10 @@ echo "${PRGNAME} [INFO] Updates."
 # Install packages ( with cppcheck )
 #
 echo "${PRGNAME} [INFO] Install packages."
-/bin/sh -c "${PACKAGE_MANAGER_BIN} ${PACKAGE_ENABLE_REPO_OPTIONS} install -y ${PACKAGE_INSTALL_ADDITIONAL_OPTIONS} ${INSTALL_PACKAGES}"
+/bin/sh -c "${PACKAGE_MANAGER_BIN} ${PACKAGE_ENABLE_REPO_OPTIONS} ${PACKAGE_INSTALL_OPTIONS} ${PACKAGE_INSTALL_ADDITIONAL_OPTIONS} ${INSTALL_PACKAGES}"
 
 echo "${PRGNAME} [INFO] Install cppcheck package."
-/bin/sh -c "${PACKAGE_MANAGER_BIN} ${INSTALL_CHECKER_PKG_OPTIONS} install -y ${INSTALL_CHECKER_PKGS}"
+/bin/sh -c "${PACKAGE_MANAGER_BIN} ${INSTALL_CHECKER_PKG_OPTIONS} ${PACKAGE_INSTALL_OPTIONS} ${INSTALL_CHECKER_PKGS}"
 
 #
 # Install ShellCheck manually
@@ -242,13 +274,18 @@ java -version
 #
 # Install awscli
 #
-echo "${PRGNAME} [INFO] Install awscli2 package."
-CURRENT_DIR=$(pwd)
-cd /tmp
-curl "${AWSCLI_URI}" -o "${AWSCLI_ZIP_FILE}"
-unzip  "${AWSCLI_ZIP_FILE}"
-./aws/install
-cd "${CURRENT_DIR}"
+if [ "${AWSCLI_DIRECT_INSTALL}" -eq 1 ]; then
+    echo "${PRGNAME} [INFO] Install awscli2 package."
+
+    CURRENT_DIR=$(pwd)
+    cd /tmp || exit 1
+
+    curl "${AWSCLI_URI}" -o "${AWSCLI_ZIP_FILE}"
+    unzip  "${AWSCLI_ZIP_FILE}"
+    ./aws/install
+
+    cd "${CURRENT_DIR}" || exit 1
+fi
 
 #-----------------------------------------------------------
 # Set environment for configure
diff --git a/autogen.sh b/autogen.sh
index 5ff38be..e9bab02 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -33,7 +33,8 @@ echo "--- Finished commit hash file ---"
 
 echo "--- Start autotools -------------"
 
-aclocal \
+autoupdate \
+&& aclocal \
 && autoheader \
 && automake --add-missing \
 && autoconf
@@ -47,6 +48,6 @@ exit 0
 # tab-width: 4
 # c-basic-offset: 4
 # End:
-# vim600: expandtab sw=4 ts= fdm=marker
+# vim600: expandtab sw=4 ts=4 fdm=marker
 # vim<600: expandtab sw=4 ts=4
 #
diff --git a/src/curl.cpp b/src/curl.cpp
index 7188824..ea56584 100644
--- a/src/curl.cpp
+++ b/src/curl.cpp
@@ -1957,6 +1957,9 @@ bool S3fsCurl::ResetHandle(AutoLock::Type locktype)
     if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_NOPROGRESS, 0)){
         return false;
     }
+    // [NOTE]
+    // CURLOPT_PROGRESSFUNCTION should be changed to CURLOPT_XFERINFOFUNCTION,
+    // but CnetOS7's curl version is old, so it haven't been changed yet.
     if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_PROGRESSFUNCTION, S3fsCurl::CurlProgress)){
         return false;
     }
@@ -3020,7 +3023,7 @@ int S3fsCurl::GetIAMv2ApiToken(const char* token_url, int token_ttl, const char*
     // Expect header is empty before the request is sent.
     requestHeaders = curl_slist_sort_insert(requestHeaders, "Expect", "");
 
-    if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_PUT, true)){
+    if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_UPLOAD, true)){
         return -EIO;
     }
     if(CURLE_OK != curl_easy_setopt(hCurl, CURLOPT_URL, url.c_str())){
diff --git a/test/integration-test-main.sh b/test/integration-test-main.sh
index 6a5d7bf..9f01fdc 100755
--- a/test/integration-test-main.sh
+++ b/test/integration-test-main.sh
@@ -749,7 +749,7 @@ function test_hardlink {
 
     (
         set +o pipefail
-        ln "${TEST_TEXT_FILE}" "${ALT_TEST_TEXT_FILE}" 2>&1 | grep -q 'Operation not supported'
+        ln "${TEST_TEXT_FILE}" "${ALT_TEST_TEXT_FILE}" 2>&1 | grep -q -e 'Operation not supported' -e 'Not supported'
     )
 
     rm_test_file
@@ -1796,11 +1796,17 @@ function test_overwrite_existing_file_range {
     describe "Test overwrite range succeeds ..."
     dd if=<(seq 1000) of="${TEST_TEXT_FILE}"
     dd if=/dev/zero of="${TEST_TEXT_FILE}" seek=1 count=1 bs=1024 conv=notrunc
-    cmp "${TEST_TEXT_FILE}" <(
-        seq 1000 | head -c 1024
-        dd if=/dev/zero count=1 bs=1024
-        seq 1000 | tail -c +2049
-    )
+
+    # [NOTE]
+    # In ALPINE, comparisons using redirects often fail.
+    # Therefore, create a real file for comparison and use it.
+    #
+    dd if=<(seq 1000) of=/tmp/cmp_base_file
+    dd if=/dev/zero of=/tmp/cmp_base_file seek=1 count=1 bs=1024 conv=notrunc
+
+    cmp "${TEST_TEXT_FILE}" /tmp/cmp_base_file
+
+    rm_test_file /tmp/cmp_base_file
     rm_test_file
 }