I'll chime in with my two cents. Be prepared for a long ramble so my apologies in advance.
Some background for context: I am in a managerial position with nine direct reports spread geographically throughout Ontario and Quebec but responsible for a customer base primarily in Canada but also globally. I have worn many hats including working in a front line role/support, technical, financial, and now managerial.
I don't know the circumstances behind your online chat with your manager, but based on only what I am reading, my take it that these are the type of discussions to be had over a video conference or phone call, or in person. He's providing you some feedback but it doesn't look very constructive or helpful, which is probably one of the reasons why you are starting to become unhappy, or at least it gives the impression he's being a jerk, which may or may not be intentional.
I won't dig into the line-by-line discussion you had with your manager but yes, "yo, what's up" with your supplier is not something I would find professional with my team. I had a younger team member exhibiting this behaviour with a vendor and I had to stamp it out because that's when the vendor started to begin to take advantage of him which in turn impacted his work. When we turned that around, the dynamic changed where it became a balance of power between us and the vendor and that's when things came back to become a two-way street.
In any case, I can only surmise that your aren't necessarily unhappy with your work, but perhaps leadership is lacking at your work place and it may be holding you back. I'll go out of my way to say that you've become comfortable in your role (nothing wrong with that because this is natural) but perhaps your instincts are telling you it's time for a challenge.
I think it's evident that you love and care about your family so you want to do what's best for them, but also you need to look out for yourself. You've built up enough skills in the industry, both hard and soft skills to make a lateral move or a move into a related industry. A lot of people in this thread have provided some really good insight and suggestions (i.e. Wormiez) and it's up to you to polish yourself up and start applying.
I went through this phase myself a year or two ago where I felt like it was time for me to move out of my industry and chase the next big title and/or more money. I landed a number of interviews and some lucrative offers, but only to realize I was going to be working with managers similar to the example you provided. Was the grass going to be greener on the other side? No. Not always. Had I left, I'd have to build up all that political, social, industry capital all over again. Ultimately, I stayed after thinking about my situation in that I am well challenged, well compensated, and I have great bosses and an amazing team. My employer has taken good care of me and I learned what my worth was by going through this process.
A few immediate suggestions/action items for you:
1. As others suggested, delete the image as soon as possible. You should not risk your professional reputation and job. Vancouver is a very small place.
2. Take the opportunity to speak to your manager on some development opportunities and coaching sessions on what he expects of you. It's on you to take the initiative to understand where he's coming from and this may be his managerial style which we, as professionals, have to adapt to
3. Consider taking a continuing education course or program in the evening at any college or university (college being cheaper and likely just as good) I find that going to school every few years is a good for professional development. Something as simple as business writing or business communications is a good start to curb your professional behaviour with your vendors
Hope this helps!