Fixing errors with the containers

- made core link the whole opt folder instead of just the db
so it doesn't matter if it's instantiated or not
- added missing environment variable to the core run file
- moved ports out to the compose file

containers/compose.yaml

@@ -6,6 +6,19 @@ services:
     build:
       context: .
       dockerfile: core-pypi.Dockerfile
+    ports:
+        # DataPackagePort
+        - 8080:8080
+        # CoTPort
+        - 8087:8087
+        # SSLCoTPort
+        - 8089:8089
+        # SSLDataPackagePort
+        - 8443:8443
+        # FederationPort
+        #- 9000:9000
+        # APIPort - Don't expose by default
+        #- 19023:19023
     volumes:
     # Confused about the Z at the end?
     # on hosts with selinux, you will need this.
@@ -21,7 +34,10 @@ services:
       context: .
       dockerfile: ui-pypi.Dockerfile
     ports:
+      # Web interface port
       - 5000:5000
+      # API Port - probably don't need to expose if UI and Core are on same container network
+      #- 19023:19023
     volumes:
       - ./ui-config:/home/freetak/data:rw,Z
     network_mode: "host"

containers/core-pypi.Dockerfile

@@ -13,32 +13,14 @@ COPY --chown=freetak:freetak --chmod=774 core-run.sh ./
 ENV FTS_DATA_PATH = "/opt/fts/"
 
 # Install pre-reqs then the base FTS
-# ruamel.yaml is very ornery and has to be force-reinstalled alone
+# ruamel.yaml is very ornery and has to be force-reinstalled alone until the pip deps are updated
 ENV PATH /home/freetak/.local/bin:$PATH
 RUN pip install --upgrade pip ; pip install --force-reinstall "ruamel.yaml<0.18"
 RUN pip install FreeTAKServer
 
 # Provide a way to edit the configuration from outside the container
 # May need to be updated if the base image changes
 RUN cp $(python -m site --user-site)/FreeTAKServer/core/configuration/MainConfig.py $(python -m site --user-site)/FreeTAKServer/core/configuration/MainConfig.bak
-RUN mv $(python -m site --user-site)/FreeTAKServer/core/configuration/MainConfig.py /opt/fts/MainConfig.py
-RUN ln -s /opt/fts/MainConfig.py $(python -m site --user-site)/FreeTAKServer/core/configuration/MainConfig.py
-
-# Open ports
-# note: docker compose documentation suggests that communication between
-#       core and ui doesn't need a port explicitly exposed
-# DataPackagePort
-EXPOSE 8080
-# CoTPort
-EXPOSE 8087
-# SSLCoTPort
-EXPOSE 8089
-# SSLDataPackagePort
-EXPOSE 8443
-# FederationPort
-EXPOSE 9000
-# APIPort - Don't expose by default
-#EXPOSE 19023
 
 VOLUME /opt/fts
 

containers/core-run.sh

@@ -1,13 +1,23 @@
 #!/bin/bash
 
+PYTHON_USER_SITE=$(python -m site --user-site)
+# Detect and navigate to the python user site packages
+# Some systems use `python3` instead of `python` so this is not entirely portable
+cd "${PYTHON_USER_SITE}/FreeTAKServer/" || raise error "Could not navigate to the user-sites path. Are you using a distro that requires python3 instead of python?"
+
 # Sharing for MainConfig.py
 if [[ ! -f "/opt/fts/MainConfig.py" ]]
   then
     cp ${PYTHON_USER_SITE}/FreeTAKServer/core/configuration/MainConfig.bak /opt/fts/MainConfig.py
 fi
 if [[ ! -f "${PYTHON_USER_SITE}/FreeTAKServer/core/configuration/MainConfig.py" ]]
   then
-    ln -s /opt/fts/MainConfig.py ${PYTHON_USER_SITE}/FreeTAKServer/core/configuration/MainConfig.py
+      if [[ ! -f "/opt/fts/MainConfig.py" ]]
+        then
+            echo "MainConfig.py is missing from the expected volume!"
+        else
+            ln -s /opt/fts/MainConfig.py "${PYTHON_USER_SITE}/FreeTAKServer/core/configuration/MainConfig.py"
+        fi
 fi
 
 # Sharing for FTSConfig.yaml

containers/ui-pypi.Dockerfile

@@ -3,14 +3,17 @@ FROM python:3.11
 RUN groupadd -r freetak && useradd -m -r -g freetak freetak
 
 RUN mkdir -p /home/freetak/data && chown -R freetak:freetak /home/freetak/data && chmod 777 -R /home/freetak/data && chmod g+s /home/freetak/data
-RUN ln -s /opt/FTSServer-UI.db /home/freetak/data/FTSServer-UI.db
+
+# Link /opt to home data, as default configs put the db in /opt
+RUN ln -s /opt/ /home/freetak/data/
 
 USER freetak
 WORKDIR /home/freetak/data
 
 # Install pre-reqs then the base FTS
 ENV PATH /home/freetak/.local/bin:/home/freetak/.local/lib:$PATH
 
+# flask_cors is missing from the pip imports, so install it manually
 RUN pip install "flask_cors"
 RUN pip install FreeTAKServer-UI
 
@@ -20,7 +23,5 @@ RUN mv $(python -m site --user-site)/FreeTAKServer-UI/config.py $(python -m site
 WORKDIR /home/freetak
 COPY --chown=freetak:freetak --chmod=774 ui-run.sh ./
 
-EXPOSE 5000/tcp
-EXPOSE 19023/tcp
 VOLUME /home/freetak/data
 CMD ["/home/freetak/ui-run.sh"]

containers/ui-run.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+
 PYTHON_USER_SITE=$(python -m site --user-site)
 # Detect and navigate to the python user site packages
 # Some systems use `python3` instead of `python` so this is not entirely portable