Feature: Changeable port

Dockerfile

@@ -43,6 +43,7 @@ ENV MODPACK=""
 ENV MOTD=""
 ENV NPCSTREAM="15"
 ENV PASSWORD=""
+ENV PORT="7777"
 ENV PRIORITY="1"
 ENV SECURE="1"
 ENV SEED=""
@@ -51,5 +52,5 @@ ENV WORLDNAME="World"
 
 ENTRYPOINT ["/opt/terraria/entrypoint.sh"]
 
-HEALTHCHECK --interval=15s --timeout=5s --start-period=10s --retries=3 CMD nc -vz 127.0.0.1 7777 || exit 1
+HEALTHCHECK --interval=15s --timeout=5s --start-period=10s --retries=3 CMD nc -vz 127.0.0.1 $PORT || exit 1
 

README.md

@@ -41,12 +41,12 @@ MAXPLAYERS | `integer` | `8`
 MOTD | `string` | `NA`
 NPCSTREAM | `integer 0-60` | `15`
 PASSWORD | `string` | `NA`
+PORT | `integer` | `7777`
 PRIORITY | `0` `1` `2` `3` `4` `5` | `1`
 SECURE | `boolean` | `1`
 SEED | `string` | `NA`
 UPNP | `boolean` | `0`
 WORLDNAME | `string` | `World`
- - Note: The internal port is not changeable.
 
 Journey mode variables are not supported in the Dockerfile variable statements. Those will need to be manually put in the server config. </br>
 
@@ -164,3 +164,4 @@ Have fun! </br>
 
 # Credits
 [rfvgyhn](https://github.com/rfvgyhn/tmodloader-docker) for the server injection functionality.
+

scripts/variables.sh

@@ -15,7 +15,9 @@ VAR_ARRAY[NPCSTREAMx]="npcstream=${NPCSTREAM}"
 if [ "$PASSWORD" != "" ]; then
   VAR_ARRAY[PASSWORDx]="password=${PASSWORD}"
 fi
-VAR_ARRAY[PORTx]="port=7777"
+if [ "$PORT" != "" ]; then
+  VAR_ARRAY[PORTx]="port=${PORT}"
+fi
 VAR_ARRAY[PRIORITYx]="priority=${PRIORITY}"
 VAR_ARRAY[SECUREx]="secure=${SECURE}"
 if [ "$SEED" != "" ]; then