feat: implement secret management with SOPS

scripts/enc_dec_go.sh

@@ -0,0 +1,35 @@
+#!/bin/sh
+
+set -eu
+
+if [ -z "${AGE_KEY}" ]; then
+	echo "unbound variable"
+fi
+if [ ! -f "${AGE_KEY}" ]; then
+	echo "Error: ${AGE_KEY} file does not exist"
+	exit 1
+fi
+
+mkdir -p $ENC_SECRETS_PATH
+if [ "$1" = "enc" ]; then
+	for FILE in $GO_SECRETS/*; do
+	  FILENAME="${FILE##*/}"
+    age --encrypt \
+        --output $ENC_SECRETS_PATH/$FILENAME.age \
+        --identity $AGE_KEY \
+        $FILE
+	done
+elif [ "$1" = "dec" ]; then
+	mkdir -p $GO_SECRETS
+	for FILE in $ENC_SECRETS_PATH/*; do
+	  FILENAME="${FILE##*/}" 			# Cut the directories path
+	  FILENAME="${FILENAME%.age}" # Cut the .age
+		echo $GO_SECRETS/$FILENAME
+    age --decrypt \
+		    --identity $AGE_KEY \
+        $FILE > $GO_SECRETS/$FILENAME
+	 done
+else
+  echo "Error: Invalid argument. Use 'enc' or 'dec'." >&2
+  exit 1
+fi