From 20a6fe7e28467b319cfab2af6c2fe465b73a01bc Mon Sep 17 00:00:00 2001
From: "B. Stack" <bgstack15@gmail.com>
Date: Wed, 30 Aug 2023 18:54:10 -0400
Subject: prepare documentation

---
 README.md          | 16 ++++++++++++++++
 docker-compose.yml |  2 ++
 entrypoint.sh      | 37 +++++++++++++++++++++++--------------
 3 files changed, 41 insertions(+), 14 deletions(-)

diff --git a/README.md b/README.md
index 4ec3a1d..50b6dd7 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,21 @@ Basic docker experience should suffice. You can make a directory, e.g., `instanc
 
     docker run -p 5004:5004 --mount type=bind,source=./instance,destination=/newspipe/instance -it --rm newspipe:latest entrypoint.sh create_admin admin "1234567890"
 
+To use a reverse proxy, you need to set config variable in your `sqlite.py` or `config.py`:
+
+    PREFIX = "/newspipe"
+
+And here is an example apache httpd directive:
+
+    <Location /newspipe>
+       ProxyPass http://newspipe.vm.example.com:5004/ retry=0
+       ProxyPassReverse http://newspipe.vm.example.com:5004/
+       # You might be tempted to try the following, but it does not work in flask or newspipe.
+       # a2enmod headers. These are extra ones that are not provided by Apache natively.
+       #RequestHeader append X-Forwarded-Prefix "/newspipe"
+       #RequestHeader append X-Script-Name "/newspipe"
+    </Location>
+
 # Operations
 ## Create admin user
 If you are using bare docker:
@@ -59,3 +74,4 @@ Future improvements include:
 1. <https://stackoverflow.com/questions/72465421/how-to-use-poetry-with-docker>
 2. <https://git.sr.ht/~cedric/newspipe>
 3. FreeIPA auth (ldap+kerberos) for a different rss reader, in a different language <https://git.sacredheartsc.com/ttrss-freeipa/tree/auth_freeipa/init.php>
+4. Apache httpd config syntax from <https://radicale.org/v3.html#reverse-proxy>
diff --git a/docker-compose.yml b/docker-compose.yml
index 76d2e59..d64b94d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -15,6 +15,8 @@ services:
       NEWSPIPE_HOST: "0.0.0.0"
       NEWSPIPE_PORT: 5004
       NEWSPIPE_BRANCH: "reverse-proxy"
+    # pass any hardcoded arguments to entrypoint.sh with this:
+    #command: /entrypoint.sh sleep
     volumes:
       # Enable this if you wish to develop the app live, after git cloning to this ./git directory.
       #- "./git:/newspipe"
diff --git a/entrypoint.sh b/entrypoint.sh
index 89a6ee4..04cca64 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -9,6 +9,22 @@ test ! -f /newspipe/instance/sqlite.py && { cp -pf /newspipe/orig/sqlite.py /new
 test ! -f /newspipe/instance/newspipe.db && { cp -pf /newspipe/orig/newspipe.db /newspipe/instance/ 2>/dev/null ; }
 test -z "${NEWSPIPE_BRANCH}" && NEWSPIPE_BRANCH=ldap-auth
 
+prepare() {
+   cd /newspipe
+   git fetch || : ;
+   test -f instance/sqlite.py && cp -pf instance/sqlite.py instance/sqlite.py1
+   git checkout -f "${NEWSPIPE_BRANCH}" || { echo "Invalid branch ${NEWSPIPE_BRANCH}" 1>&2 ; exit 1 ; }
+   git pull || : ;
+   test -f instance/sqlite.py1 && mv -f instance/sqlite.py1 instance/sqlite.py
+   test "${1}" = "sleep" && shift
+   _host="${1:-${NEWSPIPE_HOST}}"
+   _port="${2:-${NEWSPIPE_PORT}}"
+   set -x
+   # If you need to add new pip packages quickly:
+   #poetry run pip3 install dnspython
+   poetry run flask db_init || :
+}
+
 # Options
 case "${1}" in
    "init" | "create_admin")
@@ -16,21 +32,14 @@ case "${1}" in
       _pass="${3:-${ADMIN_PASSWORD}}"
       poetry run flask create_admin --nickname "${_nick}" --password "${_pass}"
       ;;
-   *)
-      cd /newspipe
-      git fetch || : ;
-      test -f instance/sqlite.py && cp -pf instance/sqlite.py instance/sqlite.py1
-      git checkout -f "${NEWSPIPE_BRANCH}" || { echo "Invalid branch ${NEWSPIPE_BRANCH}" 1>&2 ; exit 1 ; }
-      git pull || : ;
-      test -f instance/sqlite.py1 && mv -f instance/sqlite.py1 instance/sqlite.py
-      _host="${1:-${NEWSPIPE_HOST}}"
-      _port="${2:-${NEWSPIPE_PORT}}"
-      set -x
-      # If you need to add new pip packages quickly:
-      #poetry run pip3 install dnspython
-      poetry run flask db_init || :
+   sleep)
+      prepare "${@}"
       sleep 80000
       # and now connect to this container and run in bash:
-      # poetry run flask run -h "${_host:-0.0.0.0}" -p "${_port:-8081}"
+      #poetry run flask run -h "${_host:-0.0.0.0}" -p "${_port:-8081}"
+      ;;
+   *)
+      prepare "${@}"
+      poetry run flask run -h "${_host:-0.0.0.0}" -p "${_port:-8081}"
       ;;
 esac
-- 
cgit